90299632 has 10 divisors (see below), whose sum is σ = 174955568. Its totient is φ = 45149808.

The previous prime is 90299623. The next prime is 90299641. The reversal of 90299632 is 23699209.

It is an interprime number because it is at equal distance from previous prime (90299623) and next prime (90299641).

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, 2821848 + ... + 2821879.

Almost surely, 2^90299632 is an apocalyptic number.

It is an amenable number.

90299632 is a deficient number, since it is larger than the sum of its proper divisors (84655936).

90299632 is a wasteful number, since it uses less digits than its factorization.

90299632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5643735 (or 5643729 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 90299632 is about 9502.6118514859. The cubic root of 90299632 is about 448.6372468328.

The spelling of 90299632 in words is "ninety million, two hundred ninety-nine thousand, six hundred thirty-two".