97398528 has 72 divisors (see below), whose sum is σ = 267649536. Its totient is φ = 31411200.

The previous prime is 97398487. The next prime is 97398599. The reversal of 97398528 is 82589379.

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, 21763 + ... + 25853.

Almost surely, 2^97398528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97398528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133824768).

97398528 is an abundant number, since it is smaller than the sum of its proper divisors (170251008).

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

97398528 is a wasteful number, since it uses less digits than its factorization.

97398528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4141 (or 4127 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 51.

The square root of 97398528 is about 9869.0692570272. The cubic root of 97398528 is about 460.0984792306.

The spelling of 97398528 in words is "ninety-seven million, three hundred ninety-eight thousand, five hundred twenty-eight".