539807838 has 32 divisors (see below), whose sum is σ = 1129683456. Its totient is φ = 171634848.

The previous prime is 539807833. The next prime is 539807839. The reversal of 539807838 is 838708935.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (539807833) 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, 46231 + ... + 56717.

It is an arithmetic number, because the mean of its divisors is an integer number (35302608).

Almost surely, 2^539807838 is an apocalyptic number.

539807838 is an abundant number, since it is smaller than the sum of its proper divisors (589875618).

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

539807838 is a wasteful number, since it uses less digits than its factorization.

539807838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10888.

The product of its (nonzero) digits is 1451520, while the sum is 51.

The square root of 539807838 is about 23233.7650414219. The cubic root of 539807838 is about 814.2286794595.

The spelling of 539807838 in words is "five hundred thirty-nine million, eight hundred seven thousand, eight hundred thirty-eight".