856283193 has 12 divisors (see below), whose sum is σ = 1270282468. Its totient is φ = 555426720.

The previous prime is 856283171. The next prime is 856283213. The reversal of 856283193 is 391382658.

It is a happy number.

856283193 is a `hidden beast` number, since 8 + 5 + 628 + 3 + 19 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 711128889 + 145154304 = 26667^2 + 12048^2 .

It is not a de Polignac number, because 856283193 - 2⁵ = 856283161 is a prime.

It is a super-2 number, since 2×856283193² = 1466441813228550498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (856283143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1285378 + ... + 1286043.

Almost surely, 2^856283193 is an apocalyptic number.

It is an amenable number.

856283193 is a deficient number, since it is larger than the sum of its proper divisors (413999275).

856283193 is a wasteful number, since it uses less digits than its factorization.

856283193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2571464 (or 2571461 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 856283193 is about 29262.3169451771. The cubic root of 856283193 is about 949.5965758911.

The spelling of 856283193 in words is "eight hundred fifty-six million, two hundred eighty-three thousand, one hundred ninety-three".