99090404 has 24 divisors (see below), whose sum is σ = 202792128. Its totient is φ = 41479200.

The previous prime is 99090401. The next prime is 99090427. The reversal of 99090404 is 40409099.

It is not an unprimeable number, because it can be changed into a prime (99090401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39947 + ... + 42354.

It is an arithmetic number, because the mean of its divisors is an integer number (8449672).

Almost surely, 2^99090404 is an apocalyptic number.

It is an amenable number.

99090404 is an abundant number, since it is smaller than the sum of its proper divisors (103701724).

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

99090404 is a wasteful number, since it uses less digits than its factorization.

99090404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82355 (or 82353 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 99090404 is about 9954.4163063436. The cubic root of 99090404 is about 462.7472711354.

The spelling of 99090404 in words is "ninety-nine million, ninety thousand, four hundred four".