99032872 has 8 divisors (see below), whose sum is σ = 185686650. Its totient is φ = 49516432.

The previous prime is 99032867. The next prime is 99032873. The reversal of 99032872 is 27823099.

It can be written as a sum of positive squares in only one way, i.e., 82337476 + 16695396 = 9074^2 + 4086^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (99032873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6189547 + ... + 6189562.

Almost surely, 2^99032872 is an apocalyptic number.

It is an amenable number.

99032872 is a deficient number, since it is larger than the sum of its proper divisors (86653778).

99032872 is a wasteful number, since it uses less digits than its factorization.

99032872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12379115 (or 12379111 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 99032872 is about 9951.5261141194. The cubic root of 99032872 is about 462.6576966022.

The spelling of 99032872 in words is "ninety-nine million, thirty-two thousand, eight hundred seventy-two".