99638232 has 32 divisors (see below), whose sum is σ = 249551280. Its totient is φ = 33152000.

The previous prime is 99638221. The next prime is 99638233. The reversal of 99638232 is 23283699.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99638233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10732 + ... + 17732.

Almost surely, 2^99638232 is an apocalyptic number.

It is an amenable number.

99638232 is an abundant number, since it is smaller than the sum of its proper divisors (149913048).

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

99638232 is a wasteful number, since it uses less digits than its factorization.

99638232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7603 (or 7599 counting only the distinct ones).

The product of its digits is 139968, while the sum is 42.

The square root of 99638232 is about 9981.8952108305. The cubic root of 99638232 is about 463.5984809284.

The spelling of 99638232 in words is "ninety-nine million, six hundred thirty-eight thousand, two hundred thirty-two".