856474 has 16 divisors (see below), whose sum is σ = 1374912. Its totient is φ = 399168.

The previous prime is 856469. The next prime is 856483. The reversal of 856474 is 474658.

It is a d-powerful number, because it can be written as 8⁵ + 5³ + 4² + 6 + 7⁷ + 4² .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1762 + ... + 2194.

It is an arithmetic number, because the mean of its divisors is an integer number (85932).

2⁸⁵⁶⁴⁷⁴ is an apocalyptic number.

856474 is a deficient number, since it is larger than the sum of its proper divisors (518438).

856474 is a wasteful number, since it uses less digits than its factorization.

856474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501.

The product of its digits is 26880, while the sum is 34.

The square root of 856474 is about 925.4588051340. The cubic root of 856474 is about 94.9667104045.

The spelling of 856474 in words is "eight hundred fifty-six thousand, four hundred seventy-four".