99231506 has 16 divisors (see below), whose sum is σ = 165043008. Its totient is φ = 44365200.

The previous prime is 99231481. The next prime is 99231541. The reversal of 99231506 is 60513299.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35630 + ... + 38313.

It is an arithmetic number, because the mean of its divisors is an integer number (10315188).

Almost surely, 2^99231506 is an apocalyptic number.

99231506 is a deficient number, since it is larger than the sum of its proper divisors (65811502).

99231506 is a wasteful number, since it uses less digits than its factorization.

99231506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74017.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 99231506 is about 9961.5011920895. The cubic root of 99231506 is about 462.9668134078.

The spelling of 99231506 in words is "ninety-nine million, two hundred thirty-one thousand, five hundred six".