97890536 has 16 divisors (see below), whose sum is σ = 184947840. Its totient is φ = 48571120.

The previous prime is 97890521. The next prime is 97890547. The reversal of 97890536 is 63509879.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45656 + ... + 47751.

It is an arithmetic number, because the mean of its divisors is an integer number (11559240).

Almost surely, 2^97890536 is an apocalyptic number.

It is an amenable number.

97890536 is a deficient number, since it is larger than the sum of its proper divisors (87057304).

97890536 is a wasteful number, since it uses less digits than its factorization.

97890536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93544 (or 93540 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 97890536 is about 9893.9646249620. The cubic root of 97890536 is about 460.8719064781.

The spelling of 97890536 in words is "ninety-seven million, eight hundred ninety thousand, five hundred thirty-six".