99109204 has 6 divisors (see below), whose sum is σ = 173441114. Its totient is φ = 49554600.

The previous prime is 99109193. The next prime is 99109291. The reversal of 99109204 is 40290199.

It can be written as a sum of positive squares in only one way, i.e., 70593604 + 28515600 = 8402^2 + 5340^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 99109204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12388647 + ... + 12388654.

Almost surely, 2^99109204 is an apocalyptic number.

It is an amenable number.

99109204 is a deficient number, since it is larger than the sum of its proper divisors (74331910).

99109204 is a wasteful number, since it uses less digits than its factorization.

99109204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24777305 (or 24777303 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 99109204 is about 9955.3605660468. The cubic root of 99109204 is about 462.7765343073.

The spelling of 99109204 in words is "ninety-nine million, one hundred nine thousand, two hundred four".