856941832 has 8 divisors (see below), whose sum is σ = 1606765950. Its totient is φ = 428470912.

The previous prime is 856941823. The next prime is 856941863. The reversal of 856941832 is 238149658.

It can be written as a sum of positive squares in only one way, i.e., 766957636 + 89984196 = 27694^2 + 9486^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53558857 + ... + 53558872.

Almost surely, 2^856941832 is an apocalyptic number.

It is an amenable number.

856941832 is a deficient number, since it is larger than the sum of its proper divisors (749824118).

856941832 is a wasteful number, since it uses less digits than its factorization.

856941832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107117735 (or 107117731 counting only the distinct ones).

The product of its digits is 414720, while the sum is 46.

The square root of 856941832 is about 29273.5688292357. The cubic root of 856941832 is about 949.8399848681.

The spelling of 856941832 in words is "eight hundred fifty-six million, nine hundred forty-one thousand, eight hundred thirty-two".