97951564 has 24 divisors (see below), whose sum is σ = 175911120. Its totient is φ = 47706624.

The previous prime is 97951561. The next prime is 97951597. The reversal of 97951564 is 46515979.

It is not an unprimeable number, because it can be changed into a prime (97951561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24832 + ... + 28504.

It is an arithmetic number, because the mean of its divisors is an integer number (7329630).

Almost surely, 2^97951564 is an apocalyptic number.

It is an amenable number.

97951564 is a deficient number, since it is larger than the sum of its proper divisors (77959556).

97951564 is a wasteful number, since it uses less digits than its factorization.

97951564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3849 (or 3847 counting only the distinct ones).

The product of its digits is 340200, while the sum is 46.

The square root of 97951564 is about 9897.0482468259. The cubic root of 97951564 is about 460.9676605349.

The spelling of 97951564 in words is "ninety-seven million, nine hundred fifty-one thousand, five hundred sixty-four".