99623856 has 40 divisors (see below), whose sum is σ = 268554240. Its totient is φ = 31763776.

The previous prime is 99623837. The next prime is 99623873. The reversal of 99623856 is 65832699.

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

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, 44016 + ... + 46223.

It is an arithmetic number, because the mean of its divisors is an integer number (6713856).

Almost surely, 2^99623856 is an apocalyptic number.

It is an amenable number.

99623856 is an abundant number, since it is smaller than the sum of its proper divisors (168930384).

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

99623856 is a wasteful number, since it uses less digits than its factorization.

99623856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90273 (or 90267 counting only the distinct ones).

The product of its digits is 699840, while the sum is 48.

The square root of 99623856 is about 9981.1750811215. The cubic root of 99623856 is about 463.5761835559.

The spelling of 99623856 in words is "ninety-nine million, six hundred twenty-three thousand, eight hundred fifty-six".