99623808 has 96 divisors (see below), whose sum is σ = 303600960. Its totient is φ = 31248384.

The previous prime is 99623803. The next prime is 99623813. The reversal of 99623808 is 80832699.

It is an interprime number because it is at equal distance from previous prime (99623803) and next prime (99623813).

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99623803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17041 + ... + 22127.

It is an arithmetic number, because the mean of its divisors is an integer number (3162510).

Almost surely, 2^99623808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99623808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151800480).

99623808 is an abundant number, since it is smaller than the sum of its proper divisors (203977152).

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

99623808 is a wasteful number, since it uses less digits than its factorization.

99623808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5124 (or 5109 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 99623808 is about 9981.1726765947. The cubic root of 99623808 is about 463.5761091037.

The spelling of 99623808 in words is "ninety-nine million, six hundred twenty-three thousand, eight hundred eight".