856482913 has 16 divisors (see below), whose sum is σ = 1011358656. Its totient is φ = 715055040.

The previous prime is 856482877. The next prime is 856482923. The reversal of 856482913 is 319284658.

It is a cyclic number.

It is not a de Polignac number, because 856482913 - 2¹⁷ = 856351841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (856482923) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 12970 + ... + 43372.

It is an arithmetic number, because the mean of its divisors is an integer number (63209916).

Almost surely, 2^856482913 is an apocalyptic number.

It is an amenable number.

856482913 is a deficient number, since it is larger than the sum of its proper divisors (154875743).

856482913 is a wasteful number, since it uses less digits than its factorization.

856482913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30624.

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

The square root of 856482913 is about 29265.7293262956. The cubic root of 856482913 is about 949.6703983082.

It can be divided in two parts, 856482 and 913, that added together give a triangular number (857395 = T₁₃₀₉).

The spelling of 856482913 in words is "eight hundred fifty-six million, four hundred eighty-two thousand, nine hundred thirteen".