839874956 has 12 divisors (see below), whose sum is σ = 1473377640. Its totient is φ = 418909920.

The previous prime is 839874947. The next prime is 839874967. The reversal of 839874956 is 659478938.

839874956 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 839874895 and 839874904.

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, 255050 + ... + 258321.

It is an arithmetic number, because the mean of its divisors is an integer number (122781470).

Almost surely, 2^839874956 is an apocalyptic number.

It is an amenable number.

839874956 is a deficient number, since it is larger than the sum of its proper divisors (633502684).

839874956 is a wasteful number, since it uses less digits than its factorization.

839874956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513784 (or 513782 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 59.

The square root of 839874956 is about 28980.5961981461. The cubic root of 839874956 is about 943.4919747458.

The spelling of 839874956 in words is "eight hundred thirty-nine million, eight hundred seventy-four thousand, nine hundred fifty-six".