99231633 has 12 divisors (see below), whose sum is σ = 143651508. Its totient is φ = 66008160.

The previous prime is 99231631. The next prime is 99231647. The reversal of 99231633 is 33613299.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 46131264 + 53100369 = 6792^2 + 7287^2 .

It is not a de Polignac number, because 99231633 - 2¹ = 99231631 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (99231631) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7810 + ... + 16107.

It is an arithmetic number, because the mean of its divisors is an integer number (11970959).

Almost surely, 2^99231633 is an apocalyptic number.

It is an amenable number.

99231633 is a deficient number, since it is larger than the sum of its proper divisors (44419875).

99231633 is a wasteful number, since it uses less digits than its factorization.

99231633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24384 (or 24381 counting only the distinct ones).

The product of its digits is 26244, while the sum is 36.

The square root of 99231633 is about 9961.5075666287. The cubic root of 99231633 is about 462.9670109148.

The spelling of 99231633 in words is "ninety-nine million, two hundred thirty-one thousand, six hundred thirty-three".