99604644 has 24 divisors (see below), whose sum is σ = 234809568. Its totient is φ = 32858880.

The previous prime is 99604639. The next prime is 99604657. The reversal of 99604644 is 44640699.

It is a junction number, because it is equal to n+sod(n) for n = 99604596 and 99604605.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41622 + ... + 43949.

It is an arithmetic number, because the mean of its divisors is an integer number (9783732).

Almost surely, 2^99604644 is an apocalyptic number.

It is an amenable number.

99604644 is an abundant number, since it is smaller than the sum of its proper divisors (135204924).

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

99604644 is a wasteful number, since it uses less digits than its factorization.

99604644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85675 (or 85673 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 99604644 is about 9980.2126229855. The cubic root of 99604644 is about 463.5463821323.

The spelling of 99604644 in words is "ninety-nine million, six hundred four thousand, six hundred forty-four".