90804632 has 8 divisors (see below), whose sum is σ = 170258700. Its totient is φ = 45402312.

The previous prime is 90804613. The next prime is 90804643. The reversal of 90804632 is 23640809.

It is a tau number, because it is divible by the number of its divisors (8).

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, 5675282 + ... + 5675297.

Almost surely, 2^90804632 is an apocalyptic number.

It is an amenable number.

90804632 is a deficient number, since it is larger than the sum of its proper divisors (79454068).

90804632 is a wasteful number, since it uses less digits than its factorization.

90804632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11350585 (or 11350581 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 90804632 is about 9529.1464465607. The cubic root of 90804632 is about 449.4720260509.

The spelling of 90804632 in words is "ninety million, eight hundred four thousand, six hundred thirty-two".