97908500 has 24 divisors (see below), whose sum is σ = 213833256. Its totient is φ = 39163200.

The previous prime is 97908469. The next prime is 97908521. The reversal of 97908500 is 580979.

It can be written as a sum of positive squares in 4 ways, for example, as 3857296 + 94051204 = 1964^2 + 9698^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97409 + ... + 98408.

It is an arithmetic number, because the mean of its divisors is an integer number (8909719).

Almost surely, 2^97908500 is an apocalyptic number.

It is an amenable number.

97908500 is an abundant number, since it is smaller than the sum of its proper divisors (115924756).

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

97908500 is a wasteful number, since it uses less digits than its factorization.

97908500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195836 (or 195824 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 97908500 is about 9894.8724094856. The cubic root of 97908500 is about 460.9000964574.

The spelling of 97908500 in words is "ninety-seven million, nine hundred eight thousand, five hundred".