99457824 has 48 divisors (see below), whose sum is σ = 261763488. Its totient is φ = 33065472.

The previous prime is 99457817. The next prime is 99457847. The reversal of 99457824 is 42875499.

It is a tau number, because it is divible by the number of its divisors (48).

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, 42739 + ... + 45005.

It is an arithmetic number, because the mean of its divisors is an integer number (5453406).

Almost surely, 2^99457824 is an apocalyptic number.

It is an amenable number.

99457824 is an abundant number, since it is smaller than the sum of its proper divisors (162305664).

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

99457824 is a wasteful number, since it uses less digits than its factorization.

99457824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2737 (or 2729 counting only the distinct ones).

The product of its digits is 725760, while the sum is 48.

The square root of 99457824 is about 9972.8543556998. The cubic root of 99457824 is about 463.3185100699.

The spelling of 99457824 in words is "ninety-nine million, four hundred fifty-seven thousand, eight hundred twenty-four".