9972152 has 16 divisors (see below), whose sum is σ = 18738000. Its totient is φ = 4975360.

The previous prime is 9972139. The next prime is 9972161. The reversal of 9972152 is 2512799.

It is a super-2 number, since 2×9972152² = 198887631022208, which contains 22 as substring.

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, 3752 + ... + 5832.

It is an arithmetic number, because the mean of its divisors is an integer number (1171125).

Almost surely, 2^9972152 is an apocalyptic number.

It is an amenable number.

9972152 is a deficient number, since it is larger than the sum of its proper divisors (8765848).

9972152 is a wasteful number, since it uses less digits than its factorization.

9972152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2686 (or 2682 counting only the distinct ones).

The product of its digits is 11340, while the sum is 35.

The square root of 9972152 is about 3157.8714350017. The cubic root of 9972152 is about 215.2432940815.

The spelling of 9972152 in words is "nine million, nine hundred seventy-two thousand, one hundred fifty-two".