99631328 has 24 divisors (see below), whose sum is σ = 196978320. Its totient is φ = 49605120.

The previous prime is 99631321. The next prime is 99631333. The reversal of 99631328 is 82313699.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99631321) 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, 1253 + ... + 14171.

It is an arithmetic number, because the mean of its divisors is an integer number (8207430).

Almost surely, 2^99631328 is an apocalyptic number.

It is an amenable number.

99631328 is a deficient number, since it is larger than the sum of its proper divisors (97346992).

99631328 is a wasteful number, since it uses less digits than its factorization.

99631328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13170 (or 13162 counting only the distinct ones).

The product of its digits is 69984, while the sum is 41.

The square root of 99631328 is about 9981.5493787287. The cubic root of 99631328 is about 463.5877729977.

The spelling of 99631328 in words is "ninety-nine million, six hundred thirty-one thousand, three hundred twenty-eight".