97902490 has 128 divisors (see below), whose sum is σ = 230169600. Its totient is φ = 29804544.

The previous prime is 97902461. The next prime is 97902509. The reversal of 97902490 is 9420979.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1341094 + ... + 1341166.

It is an arithmetic number, because the mean of its divisors is an integer number (1798200).

Almost surely, 2^97902490 is an apocalyptic number.

97902490 is an abundant number, since it is smaller than the sum of its proper divisors (132267110).

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

97902490 is a wasteful number, since it uses less digits than its factorization.

97902490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 97902490 is about 9894.5687121774. The cubic root of 97902490 is about 460.8906656580.

The spelling of 97902490 in words is "ninety-seven million, nine hundred two thousand, four hundred ninety".