99233728 has 56 divisors (see below), whose sum is σ = 221796864. Its totient is φ = 43641600.

The previous prime is 99233711. The next prime is 99233749. The reversal of 99233728 is 82733299.

It is a happy number.

It is a congruent number.

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, 19551 + ... + 24097.

Almost surely, 2^99233728 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 99233728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110898432).

99233728 is an abundant number, since it is smaller than the sum of its proper divisors (122563136).

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

99233728 is a wasteful number, since it uses less digits than its factorization.

99233728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4601 (or 4591 counting only the distinct ones).

The product of its digits is 163296, while the sum is 43.

The square root of 99233728 is about 9961.6127208399. The cubic root of 99233728 is about 462.9702689789.

The spelling of 99233728 in words is "ninety-nine million, two hundred thirty-three thousand, seven hundred twenty-eight".