97920252 has 36 divisors (see below), whose sum is σ = 256690616. Its totient is φ = 32639760.

The previous prime is 97920233. The next prime is 97920257. The reversal of 97920252 is 25202979.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97920257) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49399 + ... + 51342.

Almost surely, 2^97920252 is an apocalyptic number.

It is an amenable number.

97920252 is an abundant number, since it is smaller than the sum of its proper divisors (158770364).

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

97920252 is a wasteful number, since it uses less digits than its factorization.

97920252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100760 (or 100746 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 97920252 is about 9895.4662345945. The cubic root of 97920252 is about 460.9185363996.

The spelling of 97920252 in words is "ninety-seven million, nine hundred twenty thousand, two hundred fifty-two".