839538 has 32 divisors (see below), whose sum is σ = 2133120. Its totient is φ = 239760.

The previous prime is 839519. The next prime is 839539. The reversal of 839538 is 835938.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 839538.

It is not an unprimeable number, because it can be changed into a prime (839539) 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, 733 + ... + 1488.

It is an arithmetic number, because the mean of its divisors is an integer number (66660).

2⁸³⁹⁵³⁸ is an apocalyptic number.

839538 is an abundant number, since it is smaller than the sum of its proper divisors (1293582).

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

839538 is a wasteful number, since it uses less digits than its factorization.

839538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2239 (or 2233 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 839538 is about 916.2630626627. The cubic root of 839538 is about 94.3365782228.

Subtracting from 839538 its reverse (835938), we obtain a square (3600 = 60²).

The spelling of 839538 in words is "eight hundred thirty-nine thousand, five hundred thirty-eight".