99039660 has 48 divisors (see below), whose sum is σ = 278380032. Its totient is φ = 26308800.

The previous prime is 99039659. The next prime is 99039683. The reversal of 99039660 is 6693099.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13215 + ... + 19305.

It is an arithmetic number, because the mean of its divisors is an integer number (5799584).

Almost surely, 2^99039660 is an apocalyptic number.

It is an amenable number.

99039660 is an abundant number, since it is smaller than the sum of its proper divisors (179340372).

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

99039660 is a wasteful number, since it uses less digits than its factorization.

99039660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6374 (or 6372 counting only the distinct ones).

The product of its (nonzero) digits is 78732, while the sum is 42.

The square root of 99039660 is about 9951.8671614929. The cubic root of 99039660 is about 462.6682669937.

It can be divided in two parts, 99039 and 660, that added together give a palindrome (99699).

The spelling of 99039660 in words is "ninety-nine million, thirty-nine thousand, six hundred sixty".