97939836 has 18 divisors (see below), whose sum is σ = 247570232. Its totient is φ = 32646600.

The previous prime is 97939811. The next prime is 97939841. The reversal of 97939836 is 63893979.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×97939836² = 19184422951413792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1360240 + ... + 1360311.

Almost surely, 2^97939836 is an apocalyptic number.

It is an amenable number.

97939836 is an abundant number, since it is smaller than the sum of its proper divisors (149630396).

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

97939836 is a wasteful number, since it uses less digits than its factorization.

97939836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2720561 (or 2720556 counting only the distinct ones).

The product of its digits is 2204496, while the sum is 54.

The square root of 97939836 is about 9896.4557291992. The cubic root of 97939836 is about 460.9492621746.

The spelling of 97939836 in words is "ninety-seven million, nine hundred thirty-nine thousand, eight hundred thirty-six".