90866444 has 12 divisors (see below), whose sum is σ = 159230568. Its totient is φ = 45372000.

The previous prime is 90866443. The next prime is 90866453. The reversal of 90866444 is 44466809.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (90866443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11882 + ... + 17969.

It is an arithmetic number, because the mean of its divisors is an integer number (13269214).

Almost surely, 2^90866444 is an apocalyptic number.

It is an amenable number.

90866444 is a deficient number, since it is larger than the sum of its proper divisors (68364124).

90866444 is a wasteful number, since it uses less digits than its factorization.

90866444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30616 (or 30614 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 41.

The square root of 90866444 is about 9532.3892073289. The cubic root of 90866444 is about 449.5739902444.

The spelling of 90866444 in words is "ninety million, eight hundred sixty-six thousand, four hundred forty-four".