99658944 has 336 divisors, whose sum is σ = 375269760. Its totient is φ = 25643520.

The previous prime is 99658939. The next prime is 99658961. The reversal of 99658944 is 44985699.

It is a tau number, because it is divible by the number of its divisors (336).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 931339 + ... + 931445.

Almost surely, 2^99658944 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 99658944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187634880).

99658944 is an abundant number, since it is smaller than the sum of its proper divisors (275610816).

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

99658944 is a wasteful number, since it uses less digits than its factorization.

99658944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153 (or 130 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 54.

The square root of 99658944 is about 9982.9326352530. The cubic root of 99658944 is about 463.6306017529.

The spelling of 99658944 in words is "ninety-nine million, six hundred fifty-eight thousand, nine hundred forty-four".