539065408 has 56 divisors (see below), whose sum is σ = 1231587072. Its totient is φ = 229315584.

The previous prime is 539065349. The next prime is 539065459. The reversal of 539065408 is 804560935.

It is a tau number, because it is divible by the number of its divisors (56).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56985 + ... + 65767.

Almost surely, 2^539065408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 539065408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (615793536).

539065408 is an abundant number, since it is smaller than the sum of its proper divisors (692521664).

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

539065408 is a wasteful number, since it uses less digits than its factorization.

539065408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8939 (or 8929 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 539065408 is about 23217.7821507568. The cubic root of 539065408 is about 813.8552223966.

The spelling of 539065408 in words is "five hundred thirty-nine million, sixty-five thousand, four hundred eight".