856284892 has 6 divisors (see below), whose sum is σ = 1498498568. Its totient is φ = 428142444.

The previous prime is 856284887. The next prime is 856284893. The reversal of 856284892 is 298482658.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (856284893) by changing a digit.

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 as a sum of consecutive naturals, namely, 107035608 + ... + 107035615.

Almost surely, 2^856284892 is an apocalyptic number.

It is an amenable number.

856284892 is a deficient number, since it is larger than the sum of its proper divisors (642213676).

856284892 is a wasteful number, since it uses less digits than its factorization.

856284892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214071227 (or 214071225 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 52.

The square root of 856284892 is about 29262.3459756732. The cubic root of 856284892 is about 949.5972039402.

The spelling of 856284892 in words is "eight hundred fifty-six million, two hundred eighty-four thousand, eight hundred ninety-two".