Number of the day: 963994

Properties of the number 963994:

963994 = 2 × 481997 is semiprime and squarefree.
963994 has 2 distinct prime factors, 4 divisors, 37 antidivisors and 481996 totatives.
Reversing the decimal digits of 963994 results in a sphenic number.
963994 is the sum of 2 positive triangular numbers.
963994 is the difference of 2 positive pentagonal numbers in 2 ways.
963994 = 675² + 713² is the sum of 2 positive squares in 1 way.
963994 = 93² + 128² + 969² is the sum of 3 positive squares.
963994² = 52744² + 962550² is the sum of 2 positive squares in 1 way.
963994² is the sum of 3 positive squares.
963994 is a proper divisor of 23²⁹³⁹ - 1.
963994 is an emirpimes in (at least) the following bases: 5, 19, 23, 24, 28, 29, 31, 32, 41, 43, 57, 73, 74, 75, 78, 87, 88, 90, 93, and 94.