839650956 has 12 divisors (see below), whose sum is σ = 1959185592. Its totient is φ = 279883648.

The previous prime is 839650913. The next prime is 839650967. The reversal of 839650956 is 659056938.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 839650899 and 839650908.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34985445 + ... + 34985468.

It is an arithmetic number, because the mean of its divisors is an integer number (163265466).

Almost surely, 2^839650956 is an apocalyptic number.

It is an amenable number.

839650956 is an abundant number, since it is smaller than the sum of its proper divisors (1119534636).

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

839650956 is a wasteful number, since it uses less digits than its factorization.

839650956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69970920 (or 69970918 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 51.

The square root of 839650956 is about 28976.7312856368. The cubic root of 839650956 is about 943.4080888481.

The spelling of 839650956 in words is "eight hundred thirty-nine million, six hundred fifty thousand, nine hundred fifty-six".