839899152 has 40 divisors (see below), whose sum is σ = 2410822880. Its totient is φ = 279966240.

The previous prime is 839899139. The next prime is 839899157. The reversal of 839899152 is 251998938.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (839899157) 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, 971674 + ... + 972537.

It is an arithmetic number, because the mean of its divisors is an integer number (60270572).

Almost surely, 2^839899152 is an apocalyptic number.

It is an amenable number.

839899152 is an abundant number, since it is smaller than the sum of its proper divisors (1570923728).

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

839899152 is a wasteful number, since it uses less digits than its factorization.

839899152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1944228 (or 1944216 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 54.

The square root of 839899152 is about 28981.0136468689. The cubic root of 839899152 is about 943.5010350281.

The spelling of 839899152 in words is "eight hundred thirty-nine million, eight hundred ninety-nine thousand, one hundred fifty-two".