97809996 has 24 divisors (see below), whose sum is σ = 228961264. Its totient is φ = 32497920.

The previous prime is 97809983. The next prime is 97810001. The reversal of 97809996 is 69990879.

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, 9265 + ... + 16776.

Almost surely, 2^97809996 is an apocalyptic number.

It is an amenable number.

97809996 is an abundant number, since it is smaller than the sum of its proper divisors (131151268).

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

97809996 is a wasteful number, since it uses less digits than its factorization.

97809996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26361 (or 26359 counting only the distinct ones).

The product of its (nonzero) digits is 2204496, while the sum is 57.

The square root of 97809996 is about 9889.8936293572. The cubic root of 97809996 is about 460.7454767966.

The spelling of 97809996 in words is "ninety-seven million, eight hundred nine thousand, nine hundred ninety-six".