9964920 has 64 divisors (see below), whose sum is σ = 34168320. Its totient is φ = 2277504.

The previous prime is 9964909. The next prime is 9964931. The reversal of 9964920 is 294699.

It is an interprime number because it is at equal distance from previous prime (9964909) and next prime (9964931).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5092 + ... + 6771.

It is an arithmetic number, because the mean of its divisors is an integer number (533880).

Almost surely, 2^9964920 is an apocalyptic number.

It is an amenable number.

9964920 is an abundant number, since it is smaller than the sum of its proper divisors (24203400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9964920 is a wasteful number, since it uses less digits than its factorization.

9964920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11884 (or 11880 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 9964920 is about 3156.7261522026. The cubic root of 9964920 is about 215.1912486134.

The spelling of 9964920 in words is "nine million, nine hundred sixty-four thousand, nine hundred twenty".