839252028 has 12 divisors (see below), whose sum is σ = 1958254760. Its totient is φ = 279750672.

The previous prime is 839252009. The next prime is 839252033. The reversal of 839252028 is 820252938.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×839252028² = 1408687933004225568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34968823 + ... + 34968846.

Almost surely, 2^839252028 is an apocalyptic number.

It is an amenable number.

839252028 is an abundant number, since it is smaller than the sum of its proper divisors (1119002732).

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

839252028 is a wasteful number, since it uses less digits than its factorization.

839252028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69937676 (or 69937674 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 839252028 is about 28969.8468756740. The cubic root of 839252028 is about 943.2586571038.

The spelling of 839252028 in words is "eight hundred thirty-nine million, two hundred fifty-two thousand, twenty-eight".