856498312 has 16 divisors (see below), whose sum is σ = 1608563340. Its totient is φ = 427548096.

The previous prime is 856498309. The next prime is 856498327. The reversal of 856498312 is 213894658.

It can be written as a sum of positive squares in 2 ways, for example, as 459930916 + 396567396 = 21446^2 + 19914^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82423 + ... + 92230.

Almost surely, 2^856498312 is an apocalyptic number.

It is an amenable number.

856498312 is a deficient number, since it is larger than the sum of its proper divisors (752065028).

856498312 is a wasteful number, since it uses less digits than its factorization.

856498312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175272 (or 175268 counting only the distinct ones).

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

The square root of 856498312 is about 29265.9924144048. The cubic root of 856498312 is about 949.6760897574.

It can be divided in two parts, 85649 and 8312, that added together give a triangular number (93961 = T₄₃₃).

The spelling of 856498312 in words is "eight hundred fifty-six million, four hundred ninety-eight thousand, three hundred twelve".