523949538 has 32 divisors (see below), whose sum is σ = 1236234240. Its totient is φ = 144870480.

The previous prime is 523949533. The next prime is 523949579. The reversal of 523949538 is 835949325.

It is not an unprimeable number, because it can be changed into a prime (523949533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199908 + ... + 202511.

It is an arithmetic number, because the mean of its divisors is an integer number (38632320).

Almost surely, 2^523949538 is an apocalyptic number.

523949538 is an abundant number, since it is smaller than the sum of its proper divisors (712284702).

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

523949538 is a wasteful number, since it uses less digits than its factorization.

523949538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402462.

The product of its digits is 1166400, while the sum is 48.

The square root of 523949538 is about 22889.9440366288. The cubic root of 523949538 is about 806.1759175727.

The spelling of 523949538 in words is "five hundred twenty-three million, nine hundred forty-nine thousand, five hundred thirty-eight".