9953972 has 12 divisors (see below), whose sum is σ = 19908000. Its totient is φ = 4265976.

The previous prime is 9953953. The next prime is 9954001. The reversal of 9953972 is 2793599.

9953972 is an admirable number.

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 an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177722 + ... + 177777.

It is an arithmetic number, because the mean of its divisors is an integer number (1659000).

Almost surely, 2^9953972 is an apocalyptic number.

It is an amenable number.

9953972 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

9953972 is a wasteful number, since it uses less digits than its factorization.

9953972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355510 (or 355508 counting only the distinct ones).

The product of its digits is 153090, while the sum is 44.

The square root of 9953972 is about 3154.9916006227. The cubic root of 9953972 is about 215.1124128209.

The spelling of 9953972 in words is "nine million, nine hundred fifty-three thousand, nine hundred seventy-two".