99564460 has 24 divisors (see below), whose sum is σ = 209351520. Its totient is φ = 39775104.

The previous prime is 99564407. The next prime is 99564497. The reversal of 99564460 is 6446599.

It is a happy number.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

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, 15672 + ... + 21088.

It is an arithmetic number, because the mean of its divisors is an integer number (8722980).

Almost surely, 2^99564460 is an apocalyptic number.

It is an amenable number.

99564460 is an abundant number, since it is smaller than the sum of its proper divisors (109787060).

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

99564460 is a wasteful number, since it uses less digits than its factorization.

99564460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6345 (or 6343 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 43.

The square root of 99564460 is about 9978.1992363352. The cubic root of 99564460 is about 463.4840368018.

The spelling of 99564460 in words is "ninety-nine million, five hundred sixty-four thousand, four hundred sixty".