9965924 has 12 divisors (see below), whose sum is σ = 17466624. Its totient is φ = 4975464.

The previous prime is 9965903. The next prime is 9965947. The reversal of 9965924 is 4295699.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2009 + ... + 4895.

It is an arithmetic number, because the mean of its divisors is an integer number (1455552).

Almost surely, 2^9965924 is an apocalyptic number.

It is an amenable number.

9965924 is a deficient number, since it is larger than the sum of its proper divisors (7500700).

9965924 is a wasteful number, since it uses less digits than its factorization.

9965924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3754 (or 3752 counting only the distinct ones).

The product of its digits is 174960, while the sum is 44.

The square root of 9965924 is about 3156.8851737116. The cubic root of 9965924 is about 215.1984754571.

Subtracting from 9965924 its sum of digits (44), we obtain a triangular number (9965880 = T₄₄₆₄).

The spelling of 9965924 in words is "nine million, nine hundred sixty-five thousand, nine hundred twenty-four".