90996586 has 32 divisors (see below), whose sum is σ = 147663360. Its totient is φ = 41926896.

The previous prime is 90996583. The next prime is 90996613. The reversal of 90996586 is 68569909.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (90996583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262065 + ... + 262411.

It is an arithmetic number, because the mean of its divisors is an integer number (4614480).

Almost surely, 2^90996586 is an apocalyptic number.

90996586 is a deficient number, since it is larger than the sum of its proper divisors (56666774).

90996586 is a wasteful number, since it uses less digits than its factorization.

90996586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538.

The product of its (nonzero) digits is 1049760, while the sum is 52.

The square root of 90996586 is about 9539.2130702695. The cubic root of 90996586 is about 449.7885195590.

The spelling of 90996586 in words is "ninety million, nine hundred ninety-six thousand, five hundred eighty-six".