539869888 has 42 divisors (see below), whose sum is σ = 1081870836. Its totient is φ = 267297408.

The previous prime is 539869861. The next prime is 539869921. The reversal of 539869888 is 888968935.

It is a Harshad number since it is a multiple of its sum of digits (64).

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, 1031995 + ... + 1032517.

Almost surely, 2^539869888 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 539869888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (540935418).

539869888 is an abundant number, since it is smaller than the sum of its proper divisors (542000948).

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

539869888 is an equidigital number, since it uses as much as digits as its factorization.

539869888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789 (or 652 counting only the distinct ones).

The product of its digits is 29859840, while the sum is 64.

The square root of 539869888 is about 23235.1003440915. The cubic root of 539869888 is about 814.2598763350.

The spelling of 539869888 in words is "five hundred thirty-nine million, eight hundred sixty-nine thousand, eight hundred eighty-eight".