99624959 has 4 divisors (see below), whose sum is σ = 113857104. Its totient is φ = 85392816.

The previous prime is 99624929. The next prime is 99624997. The reversal of 99624959 is 95942699.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 99624959 - 2⁸ = 99624703 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99624959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99624919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7116062 + ... + 7116075.

It is an arithmetic number, because the mean of its divisors is an integer number (28464276).

Almost surely, 2^99624959 is an apocalyptic number.

99624959 is a deficient number, since it is larger than the sum of its proper divisors (14232145).

99624959 is a wasteful number, since it uses less digits than its factorization.

99624959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14232144.

The product of its digits is 1574640, while the sum is 53.

The square root of 99624959 is about 9981.2303349838. The cubic root of 99624959 is about 463.5778944000.

The spelling of 99624959 in words is "ninety-nine million, six hundred twenty-four thousand, nine hundred fifty-nine".