90266884 has 12 divisors (see below), whose sum is σ = 161328384. Its totient is φ = 44173064.

The previous prime is 90266867. The next prime is 90266893. The reversal of 90266884 is 48866209.

It is a happy number.

It is a super-2 number, since 2×90266884² = 16296220694138912, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 90266884.

It is an unprimeable number.

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, 239884 + ... + 240259.

It is an arithmetic number, because the mean of its divisors is an integer number (13444032).

Almost surely, 2^90266884 is an apocalyptic number.

90266884 is a gapful number since it is divisible by the number (94) formed by its first and last digit.

It is an amenable number.

90266884 is a deficient number, since it is larger than the sum of its proper divisors (71061500).

90266884 is a wasteful number, since it uses less digits than its factorization.

90266884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480194 (or 480192 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 90266884 is about 9500.8885900215. Note that the first 3 decimals coincide. The cubic root of 90266884 is about 448.5830061208.

The spelling of 90266884 in words is "ninety million, two hundred sixty-six thousand, eight hundred eighty-four".