90263484 has 30 divisors (see below), whose sum is σ = 235967424. Its totient is φ = 30087720.

The previous prime is 90263443. The next prime is 90263491. The reversal of 90263484 is 48436209.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 138972 + ... + 139619.

Almost surely, 2^90263484 is an apocalyptic number.

It is an amenable number.

90263484 is an abundant number, since it is smaller than the sum of its proper divisors (145703940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90263484 is a wasteful number, since it uses less digits than its factorization.

90263484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278607 (or 278596 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 90263484 is about 9500.7096577045. The cubic root of 90263484 is about 448.5773739285.

The spelling of 90263484 in words is "ninety million, two hundred sixty-three thousand, four hundred eighty-four".