539839968 has 48 divisors (see below), whose sum is σ = 1434174336. Its totient is φ = 177776000.

The previous prime is 539839967. The next prime is 539839973. The reversal of 539839968 is 869938935.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (539839967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25908 + ... + 41843.

It is an arithmetic number, because the mean of its divisors is an integer number (29878632).

Almost surely, 2^539839968 is an apocalyptic number.

It is an amenable number.

539839968 is an abundant number, since it is smaller than the sum of its proper divisors (894334368).

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

539839968 is a wasteful number, since it uses less digits than its factorization.

539839968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67847 (or 67839 counting only the distinct ones).

The product of its digits is 12597120, while the sum is 60.

The square root of 539839968 is about 23234.4564816998. The cubic root of 539839968 is about 814.2448337565.

The spelling of 539839968 in words is "five hundred thirty-nine million, eight hundred thirty-nine thousand, nine hundred sixty-eight".