523938 has 8 divisors (see below), whose sum is σ = 1047888. Its totient is φ = 174644.

The previous prime is 523937. The next prime is 523949. The reversal of 523938 is 839325.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

523938 is an admirable number.

It is a super-2 number, since 2×523938² = 549022055688, which contains 22 as substring.

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (523937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43656 + ... + 43667.

It is an arithmetic number, because the mean of its divisors is an integer number (130986).

2⁵²³⁹³⁸ is an apocalyptic number.

523938 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

523938 is a wasteful number, since it uses less digits than its factorization.

523938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87328.

The product of its digits is 6480, while the sum is 30.

The square root of 523938 is about 723.8356166976. The cubic root of 523938 is about 80.6169999874.

The spelling of 523938 in words is "five hundred twenty-three thousand, nine hundred thirty-eight".