99564384 has 24 divisors (see below), whose sum is σ = 261356760. Its totient is φ = 33188096.

The previous prime is 99564349. The next prime is 99564397. The reversal of 99564384 is 48346599.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×99564384² = 19826133122598912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 518469 + ... + 518660.

It is an arithmetic number, because the mean of its divisors is an integer number (10889865).

Almost surely, 2^99564384 is an apocalyptic number.

It is an amenable number.

99564384 is an abundant number, since it is smaller than the sum of its proper divisors (161792376).

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

99564384 is a wasteful number, since it uses less digits than its factorization.

99564384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037142 (or 1037134 counting only the distinct ones).

The product of its digits is 933120, while the sum is 48.

The square root of 99564384 is about 9978.1954280321. The cubic root of 99564384 is about 463.4839188722.

The spelling of 99564384 in words is "ninety-nine million, five hundred sixty-four thousand, three hundred eighty-four".