Properties of the number 406031:
406031 is a cyclic number.406031 = 173 × 2347 is semiprime and squarefree.
406031 has 2 distinct prime factors, 4 divisors, 15 antidivisors and 403512 totatives.
406031 has a semiprime digit sum 14 in base 10.
406031 = 2030162 - 2030152 = 12602 - 10872 is the difference of 2 nonnegative squares in 2 ways.
406031 is the difference of 2 positive pentagonal numbers in 2 ways.
406031 is not the sum of 3 positive squares.
4060312 = 1220442 + 3872552 is the sum of 2 positive squares in 1 way.
4060312 is the sum of 3 positive squares.
406031 is a proper divisor of 1063258 - 1.
406031 is an emirpimes in (at least) the following bases: 2, 4, 5, 6, 7, 20, 22, 24, 26, 27, 31, 35, 40, 43, 58, 59, 60, 62, 64, 68, 69, 70, 71, 74, 79, 80, 85, 93, and 95.
406031 is palindromic in (at least) the following bases: 94, and -38.