539643908 has 12 divisors (see below), whose sum is σ = 974840832. Its totient is φ = 261117960.

The previous prime is 539643901. The next prime is 539643941. The reversal of 539643908 is 809346935.

It is not an unprimeable number, because it can be changed into a prime (539643901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2175860 + ... + 2176107.

It is an arithmetic number, because the mean of its divisors is an integer number (81236736).

Almost surely, 2^539643908 is an apocalyptic number.

It is an amenable number.

539643908 is a deficient number, since it is larger than the sum of its proper divisors (435196924).

539643908 is a wasteful number, since it uses less digits than its factorization.

539643908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4352002 (or 4352000 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 47.

The square root of 539643908 is about 23230.2369337895. The cubic root of 539643908 is about 814.1462488784.

The spelling of 539643908 in words is "five hundred thirty-nine million, six hundred forty-three thousand, nine hundred eight".