856898486 has 8 divisors (see below), whose sum is σ = 1297140240. Its totient is φ = 424518408.

The previous prime is 856898459. The next prime is 856898519. The reversal of 856898486 is 684898658.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1965146 + ... + 1965581.

It is an arithmetic number, because the mean of its divisors is an integer number (162142530).

Almost surely, 2^856898486 is an apocalyptic number.

856898486 is a deficient number, since it is larger than the sum of its proper divisors (440241754).

856898486 is a wasteful number, since it uses less digits than its factorization.

856898486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3930838.

The product of its digits is 26542080, while the sum is 62.

The square root of 856898486 is about 29272.8284591701. The cubic root of 856898486 is about 949.8239696005.

The spelling of 856898486 in words is "eight hundred fifty-six million, eight hundred ninety-eight thousand, four hundred eighty-six".