90641464 has 16 divisors (see below), whose sum is σ = 172834200. Its totient is φ = 44552352.

The previous prime is 90641449. The next prime is 90641477. The reversal of 90641464 is 46414609.

It is a congruent number.

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, 95547 + ... + 96490.

Almost surely, 2^90641464 is an apocalyptic number.

It is an amenable number.

90641464 is a deficient number, since it is larger than the sum of its proper divisors (82192736).

90641464 is a wasteful number, since it uses less digits than its factorization.

90641464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192102 (or 192098 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 90641464 is about 9520.5810747034. The cubic root of 90641464 is about 449.2026439646.

The spelling of 90641464 in words is "ninety million, six hundred forty-one thousand, four hundred sixty-four".