90993832 has 8 divisors (see below), whose sum is σ = 170613450. Its totient is φ = 45496912.

The previous prime is 90993827. The next prime is 90993901. The reversal of 90993832 is 23839909.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 58890276 + 32103556 = 7674^2 + 5666^2 .

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

It is a super-3 number, since 3×90993832³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5687107 + ... + 5687122.

Almost surely, 2^90993832 is an apocalyptic number.

It is an amenable number.

90993832 is a deficient number, since it is larger than the sum of its proper divisors (79619618).

90993832 is a wasteful number, since it uses less digits than its factorization.

90993832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11374235 (or 11374231 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 43.

The square root of 90993832 is about 9539.0687176474. The cubic root of 90993832 is about 449.7839819159.

The spelling of 90993832 in words is "ninety million, nine hundred ninety-three thousand, eight hundred thirty-two".