99603672 has 48 divisors (see below), whose sum is σ = 289667160. Its totient is φ = 28457856.

The previous prime is 99603653. The next prime is 99603683. The reversal of 99603672 is 27630699.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41173 + ... + 43524.

Almost surely, 2^99603672 is an apocalyptic number.

It is an amenable number.

99603672 is an abundant number, since it is smaller than the sum of its proper divisors (190063488).

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

99603672 is a wasteful number, since it uses less digits than its factorization.

99603672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84720 (or 84709 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 42.

The square root of 99603672 is about 9980.1639265094. The cubic root of 99603672 is about 463.5448742757.

The spelling of 99603672 in words is "ninety-nine million, six hundred three thousand, six hundred seventy-two".