97805636 has 12 divisors (see below), whose sum is σ = 171290112. Its totient is φ = 48865608.

The previous prime is 97805627. The next prime is 97805639. The reversal of 97805636 is 63650879.

It is not an unprimeable number, because it can be changed into a prime (97805639) 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, 2900 + ... + 14283.

It is an arithmetic number, because the mean of its divisors is an integer number (14274176).

Almost surely, 2^97805636 is an apocalyptic number.

It is an amenable number.

97805636 is a deficient number, since it is larger than the sum of its proper divisors (73484476).

97805636 is a wasteful number, since it uses less digits than its factorization.

97805636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18610 (or 18608 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 97805636 is about 9889.6731998585. The cubic root of 97805636 is about 460.7386305975.

The spelling of 97805636 in words is "ninety-seven million, eight hundred five thousand, six hundred thirty-six".