86997432 has 32 divisors (see below), whose sum is σ = 230288400. Its totient is φ = 27293184.

The previous prime is 86997403. The next prime is 86997451. The reversal of 86997432 is 23479968.

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, 106207 + ... + 107022.

Almost surely, 2^86997432 is an apocalyptic number.

It is an amenable number.

86997432 is an abundant number, since it is smaller than the sum of its proper divisors (143290968).

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

86997432 is a wasteful number, since it uses less digits than its factorization.

86997432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213255 (or 213251 counting only the distinct ones).

The product of its digits is 653184, while the sum is 48.

The square root of 86997432 is about 9327.2413928235. The cubic root of 86997432 is about 443.1004023831.

The spelling of 86997432 in words is "eighty-six million, nine hundred ninety-seven thousand, four hundred thirty-two".