97328920 has 32 divisors (see below), whose sum is σ = 235836720. Its totient is φ = 35936640.

The previous prime is 97328911. The next prime is 97328941. The reversal of 97328920 is 2982379.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 93066 + ... + 94105.

Almost surely, 2^97328920 is an apocalyptic number.

It is an amenable number.

97328920 is an abundant number, since it is smaller than the sum of its proper divisors (138507800).

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

97328920 is a wasteful number, since it uses less digits than its factorization.

97328920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187195 (or 187191 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 97328920 is about 9865.5420530248. The cubic root of 97328920 is about 459.9888466105.

The spelling of 97328920 in words is "ninety-seven million, three hundred twenty-eight thousand, nine hundred twenty".