839135648 has 48 divisors (see below), whose sum is σ = 1840504680. Its totient is φ = 373933056.

The previous prime is 839135639. The next prime is 839135653. The reversal of 839135648 is 846531938.

It can be written as a sum of positive squares in 4 ways, for example, as 676624144 + 162511504 = 26012^2 + 12748^2 .

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, 22715 + ... + 46842.

Almost surely, 2^839135648 is an apocalyptic number.

It is an amenable number.

839135648 is an abundant number, since it is smaller than the sum of its proper divisors (1001369032).

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

839135648 is a wasteful number, since it uses less digits than its factorization.

839135648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69609 (or 69601 counting only the distinct ones).

The product of its digits is 622080, while the sum is 47.

The square root of 839135648 is about 28967.8381658004. The cubic root of 839135648 is about 943.2150541838.

The spelling of 839135648 in words is "eight hundred thirty-nine million, one hundred thirty-five thousand, six hundred forty-eight".