849398256 has 60 divisors (see below), whose sum is σ = 2716729392. Its totient is φ = 242684928.

The previous prime is 849398243. The next prime is 849398261. The reversal of 849398256 is 652893948.

It is a congruent number.

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 in 11 ways as a sum of consecutive naturals, for example, 420321 + ... + 422336.

Almost surely, 2^849398256 is an apocalyptic number.

It is an amenable number.

849398256 is an abundant number, since it is smaller than the sum of its proper divisors (1867331136).

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

849398256 is a wasteful number, since it uses less digits than its factorization.

849398256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842678 (or 842669 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The square root of 849398256 is about 29144.4378226790. The cubic root of 849398256 is about 947.0446499147.

The spelling of 849398256 in words is "eight hundred forty-nine million, three hundred ninety-eight thousand, two hundred fifty-six".