539108646 has 12 divisors (see below), whose sum is σ = 1078331052. Its totient is φ = 179683924.

The previous prime is 539108639. The next prime is 539108651. The reversal of 539108646 is 646801935.

It is a junction number, because it is equal to n+sod(n) for n = 539108598 and 539108607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 52135 + ... + 61613.

It is an arithmetic number, because the mean of its divisors is an integer number (89860921).

Almost surely, 2^539108646 is an apocalyptic number.

539108646 is an abundant number, since it is smaller than the sum of its proper divisors (539222406).

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

539108646 is an frugal number, since it uses more digits than its factorization.

539108646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18963 (or 9484 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 539108646 is about 23218.7132718417. The cubic root of 539108646 is about 813.8769813711.

The spelling of 539108646 in words is "five hundred thirty-nine million, one hundred eight thousand, six hundred forty-six".