97902192 has 20 divisors (see below), whose sum is σ = 252914120. Its totient is φ = 32634048.

The previous prime is 97902179. The next prime is 97902199. The reversal of 97902192 is 29120979.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 97902192.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97902199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1019767 + ... + 1019862.

It is an arithmetic number, because the mean of its divisors is an integer number (12645706).

Almost surely, 2^97902192 is an apocalyptic number.

It is an amenable number.

97902192 is an abundant number, since it is smaller than the sum of its proper divisors (155011928).

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

97902192 is a wasteful number, since it uses less digits than its factorization.

97902192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2039640 (or 2039634 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 39.

The square root of 97902192 is about 9894.5536533994. The cubic root of 97902192 is about 460.8901980310.

The spelling of 97902192 in words is "ninety-seven million, nine hundred two thousand, one hundred ninety-two".