539865956 has 12 divisors (see below), whose sum is σ = 1079731968. Its totient is φ = 231371112.

The previous prime is 539865929. The next prime is 539865971. The reversal of 539865956 is 659568935.

539865956 is an admirable number.

It is an unprimeable number.

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, 9640436 + ... + 9640491.

It is an arithmetic number, because the mean of its divisors is an integer number (89977664).

Almost surely, 2^539865956 is an apocalyptic number.

It is an amenable number.

539865956 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.

539865956 is a wasteful number, since it uses less digits than its factorization.

539865956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19280938 (or 19280936 counting only the distinct ones).

The product of its digits is 8748000, while the sum is 56.

The square root of 539865956 is about 23235.0157305735. The cubic root of 539865956 is about 814.2578995145.

The spelling of 539865956 in words is "five hundred thirty-nine million, eight hundred sixty-five thousand, nine hundred fifty-six".