97836636 has 12 divisors (see below), whose sum is σ = 228285512. Its totient is φ = 32612208.

The previous prime is 97836623. The next prime is 97836637. The reversal of 97836636 is 63663879.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97836637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4076515 + ... + 4076538.

Almost surely, 2^97836636 is an apocalyptic number.

It is an amenable number.

97836636 is an abundant number, since it is smaller than the sum of its proper divisors (130448876).

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

97836636 is a wasteful number, since it uses less digits than its factorization.

97836636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8153060 (or 8153058 counting only the distinct ones).

The product of its digits is 979776, while the sum is 48.

The square root of 97836636 is about 9891.2403671127. The cubic root of 97836636 is about 460.7873032827.

The spelling of 97836636 in words is "ninety-seven million, eight hundred thirty-six thousand, six hundred thirty-six".