97987236 has 24 divisors (see below), whose sum is σ = 229367040. Its totient is φ = 32558112.

The previous prime is 97987223. The next prime is 97987247. The reversal of 97987236 is 63278979.

It is a super-3 number, since 3×97987236³ (a number of 25 digits) contains 333 as substring.

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, 9076 + ... + 16683.

It is an arithmetic number, because the mean of its divisors is an integer number (9556960).

Almost surely, 2^97987236 is an apocalyptic number.

It is an amenable number.

97987236 is an abundant number, since it is smaller than the sum of its proper divisors (131379804).

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

97987236 is a wasteful number, since it uses less digits than its factorization.

97987236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26083 (or 26081 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 51.

The square root of 97987236 is about 9898.8502362648. The cubic root of 97987236 is about 461.0236121433.

The spelling of 97987236 in words is "ninety-seven million, nine hundred eighty-seven thousand, two hundred thirty-six".