839081472 has 80 divisors (see below), whose sum is σ = 2243381712. Its totient is φ = 278691840.

The previous prime is 839081471. The next prime is 839081483. The reversal of 839081472 is 274180938.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (839081471) 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, 516822 + ... + 518442.

Almost surely, 2^839081472 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 839081472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1121690856).

839081472 is an abundant number, since it is smaller than the sum of its proper divisors (1404300240).

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

839081472 is a wasteful number, since it uses less digits than its factorization.

839081472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1979 (or 1963 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 839081472 is about 28966.9030446819. The cubic root of 839081472 is about 943.1947552335.

The spelling of 839081472 in words is "eight hundred thirty-nine million, eighty-one thousand, four hundred seventy-two".