90623156 has 12 divisors (see below), whose sum is σ = 170789892. Its totient is φ = 41826048.

The previous prime is 90623147. The next prime is 90623189. The reversal of 90623156 is 65132609.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 48580900 + 42042256 = 6970^2 + 6484^2 .

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, 871325 + ... + 871428.

It is an arithmetic number, because the mean of its divisors is an integer number (14232491).

Almost surely, 2^90623156 is an apocalyptic number.

It is an amenable number.

90623156 is a deficient number, since it is larger than the sum of its proper divisors (80166736).

90623156 is a wasteful number, since it uses less digits than its factorization.

90623156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1742770 (or 1742768 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 90623156 is about 9519.6195302123. The cubic root of 90623156 is about 449.1723982197.

The spelling of 90623156 in words is "ninety million, six hundred twenty-three thousand, one hundred fifty-six".