99090632 has 24 divisors (see below), whose sum is σ = 191996550. Its totient is φ = 47943360.

The previous prime is 99090631. The next prime is 99090659. The reversal of 99090632 is 23609099.

It can be written as a sum of positive squares in only one way, i.e., 78605956 + 20484676 = 8866^2 + 4526^2 .

It is not an unprimeable number, because it can be changed into a prime (99090631) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1244 + ... + 14132.

Almost surely, 2^99090632 is an apocalyptic number.

It is an amenable number.

99090632 is a deficient number, since it is larger than the sum of its proper divisors (92905918).

99090632 is a wasteful number, since it uses less digits than its factorization.

99090632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12957 (or 12922 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 38.

The square root of 99090632 is about 9954.4277585404. The cubic root of 99090632 is about 462.7476260514.

The spelling of 99090632 in words is "ninety-nine million, ninety thousand, six hundred thirty-two".