97840568 has 16 divisors (see below), whose sum is σ = 209658480. Its totient is φ = 41931648.

The previous prime is 97840549. The next prime is 97840583. The reversal of 97840568 is 86504879.

It is a congruent number.

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, 873521 + ... + 873632.

It is an arithmetic number, because the mean of its divisors is an integer number (13103655).

Almost surely, 2^97840568 is an apocalyptic number.

It is an amenable number.

97840568 is an abundant number, since it is smaller than the sum of its proper divisors (111817912).

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

97840568 is a wasteful number, since it uses less digits than its factorization.

97840568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1747166 (or 1747162 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 97840568 is about 9891.4391268409. The cubic root of 97840568 is about 460.7934761285.

The spelling of 97840568 in words is "ninety-seven million, eight hundred forty thousand, five hundred sixty-eight".