97991032 has 8 divisors (see below), whose sum is σ = 183733200. Its totient is φ = 48995512.

The previous prime is 97991021. The next prime is 97991057. The reversal of 97991032 is 23019979.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6124432 + ... + 6124447.

It is an arithmetic number, because the mean of its divisors is an integer number (22966650).

Almost surely, 2^97991032 is an apocalyptic number.

It is an amenable number.

97991032 is a deficient number, since it is larger than the sum of its proper divisors (85742168).

97991032 is a wasteful number, since it uses less digits than its factorization.

97991032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12248885 (or 12248881 counting only the distinct ones).

The product of its (nonzero) digits is 30618, while the sum is 40.

The square root of 97991032 is about 9899.0419738478. The cubic root of 97991032 is about 461.0295653780.

The spelling of 97991032 in words is "ninety-seven million, nine hundred ninety-one thousand, thirty-two".