97530408 has 24 divisors (see below), whose sum is σ = 264145050. Its totient is φ = 32510112.

The previous prime is 97530379. The next prime is 97530421. The reversal of 97530408 is 80403579.

It can be written as a sum of positive squares in only one way, i.e., 85710564 + 11819844 = 9258^2 + 3438^2 .

It is a tau number, because it is divible by the number of its divisors (24).

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

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, 677223 + ... + 677366.

Almost surely, 2^97530408 is an apocalyptic number.

It is an amenable number.

97530408 is an abundant number, since it is smaller than the sum of its proper divisors (166614642).

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

97530408 is a wasteful number, since it uses less digits than its factorization.

97530408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354601 (or 1354594 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 97530408 is about 9875.7484779636. The cubic root of 97530408 is about 460.3060471233.

The spelling of 97530408 in words is "ninety-seven million, five hundred thirty thousand, four hundred eight".