90038626 has 16 divisors (see below), whose sum is σ = 138842424. Its totient is φ = 43773184.

The previous prime is 90038609. The next prime is 90038657. The reversal of 90038626 is 62683009.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 80084601 + 9954025 = 8949^2 + 3155^2 .

It is a junction number, because it is equal to n+sod(n) for n = 90038591 and 90038600.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8220 + ... + 15736.

Almost surely, 2^90038626 is an apocalyptic number.

90038626 is a deficient number, since it is larger than the sum of its proper divisors (48803798).

90038626 is a wasteful number, since it uses less digits than its factorization.

90038626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7685.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 90038626 is about 9488.8685310737. The cubic root of 90038626 is about 448.2045761306.

The spelling of 90038626 in words is "ninety million, thirty-eight thousand, six hundred twenty-six".