90090466 has 8 divisors (see below), whose sum is σ = 136043100. Its totient is φ = 44742768.

The previous prime is 90090437. The next prime is 90090491. The reversal of 90090466 is 66409009.

It can be written as a sum of positive squares in 2 ways, for example, as 89699841 + 390625 = 9471^2 + 625^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 150861 + ... + 151456.

Almost surely, 2^90090466 is an apocalyptic number.

90090466 is a deficient number, since it is larger than the sum of its proper divisors (45952634).

90090466 is a wasteful number, since it uses less digits than its factorization.

90090466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302468.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 90090466 is about 9491.5997597876. The cubic root of 90090466 is about 448.2905779889.

The spelling of 90090466 in words is "ninety million, ninety thousand, four hundred sixty-six".