Properties of the number 3668109:
3668109 = 3 × 23 × 53161 is a sphenic number and squarefree.3668109 has 3 distinct prime factors, 8 divisors, 23 antidivisors and 2339040 totatives.
3668109 has a semiprime digit sum 33 in base 10.
Reversing the decimal digits of 3668109 results in a sphenic number.
3668109 = 18340552 - 18340542 = 6113532 - 6113502 = 797532 - 797302 = 266152 - 265462 is the difference of 2 nonnegative squares in 4 ways.
3668109 is the difference of 2 positive pentagonal numbers in 2 ways.
3668109 = 1302 + 2032 + 19002 is the sum of 3 positive squares.
36681092 = 20948402 + 30110912 is the sum of 2 positive squares in 1 way.
36681092 is the sum of 3 positive squares.
3668109 is a proper divisor of 191440 - 1.
3668109 is palindromic in (at least) base 31.
3668109 in base 31 = 3u3u3 and consists of only the digits '3' and 'u'.