9972088 has 24 divisors (see below), whose sum is σ = 21751200. Its totient is φ = 4273584.

The previous prime is 9972059. The next prime is 9972101. The reversal of 9972088 is 8802799.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12328 + ... + 13111.

It is an arithmetic number, because the mean of its divisors is an integer number (906300).

Almost surely, 2^9972088 is an apocalyptic number.

9972088 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

It is an amenable number.

9972088 is an abundant number, since it is smaller than the sum of its proper divisors (11779112).

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

9972088 is a wasteful number, since it uses less digits than its factorization.

9972088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25459 (or 25448 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 9972088 is about 3157.8613015774. The cubic root of 9972088 is about 215.2428336125.

The spelling of 9972088 in words is "nine million, nine hundred seventy-two thousand, eighty-eight".