2839948656 has 40 divisors (see below), whose sum is σ = 7589521680. Its totient is φ = 914006016.

The previous prime is 2839948589. The next prime is 2839948669. The reversal of 2839948656 is 6568499382.

It is a self number, because there is not a number n which added to its sum of digits gives 2839948656.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1018705 + ... + 1021488.

It is an arithmetic number, because the mean of its divisors is an integer number (189738042).

Almost surely, 2^2839948656 is an apocalyptic number.

It is an amenable number.

2839948656 is an abundant number, since it is smaller than the sum of its proper divisors (4749573024).

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

2839948656 is a wasteful number, since it uses less digits than its factorization.

2839948656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2040233 (or 2040227 counting only the distinct ones).

The product of its digits is 22394880, while the sum is 60.

The square root of 2839948656 is about 53291.1686492237. The cubic root of 2839948656 is about 1416.1312160952.

The spelling of 2839948656 in words is "two billion, eight hundred thirty-nine million, nine hundred forty-eight thousand, six hundred fifty-six".