90630884 has 12 divisors (see below), whose sum is σ = 160059900. Its totient is φ = 44899488.

The previous prime is 90630877. The next prime is 90630907. The reversal of 90630884 is 48803609.

It can be written as a sum of positive squares in 2 ways, for example, as 63361600 + 27269284 = 7960^2 + 5222^2 .

It is a super-3 number, since 3×90630884³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103499 + ... + 104370.

It is an arithmetic number, because the mean of its divisors is an integer number (13338325).

Almost surely, 2^90630884 is an apocalyptic number.

It is an amenable number.

90630884 is a deficient number, since it is larger than the sum of its proper divisors (69429016).

90630884 is a wasteful number, since it uses less digits than its factorization.

90630884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207982 (or 207980 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 90630884 is about 9520.0254201341. The cubic root of 90630884 is about 449.1851657646.

The spelling of 90630884 in words is "ninety million, six hundred thirty thousand, eight hundred eighty-four".