539435808 has 48 divisors (see below), whose sum is σ = 1573356960. Its totient is φ = 179811648.

The previous prime is 539435807. The next prime is 539435833. The reversal of 539435808 is 808534935.

It is a happy number.

539435808 is a `hidden beast` number, since 539 + 4 + 35 + 80 + 8 = 666.

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

It is a super-2 number, since 2×539435808² = 581981981905225728, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (539435803) 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, 311310 + ... + 313037.

It is an arithmetic number, because the mean of its divisors is an integer number (32778270).

Almost surely, 2^539435808 is an apocalyptic number.

It is an amenable number.

539435808 is an abundant number, since it is smaller than the sum of its proper divisors (1033921152).

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

539435808 is a wasteful number, since it uses less digits than its factorization.

539435808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624366 (or 624352 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The square root of 539435808 is about 23225.7574257547. The cubic root of 539435808 is about 814.0415837993.

The spelling of 539435808 in words is "five hundred thirty-nine million, four hundred thirty-five thousand, eight hundred eight".