97974636 has 48 divisors (see below), whose sum is σ = 233460864. Its totient is φ = 31971456.

The previous prime is 97974619. The next prime is 97974647. The reversal of 97974636 is 63647979.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187071 + ... + 187593.

It is an arithmetic number, because the mean of its divisors is an integer number (4863768).

Almost surely, 2^97974636 is an apocalyptic number.

It is an amenable number.

97974636 is an abundant number, since it is smaller than the sum of its proper divisors (135486228).

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

97974636 is a wasteful number, since it uses less digits than its factorization.

97974636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830 (or 828 counting only the distinct ones).

The product of its digits is 1714608, while the sum is 51.

The square root of 97974636 is about 9898.2137782531. The cubic root of 97974636 is about 461.0038505677.

The spelling of 97974636 in words is "ninety-seven million, nine hundred seventy-four thousand, six hundred thirty-six".