856472 has 16 divisors (see below), whose sum is σ = 1618800. Its totient is φ = 424800.

The previous prime is 856469. The next prime is 856483. The reversal of 856472 is 274658.

It is a congruent number.

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, 854 + ... + 1562.

It is an arithmetic number, because the mean of its divisors is an integer number (101175).

2⁸⁵⁶⁴⁷² is an apocalyptic number.

It is an amenable number.

856472 is a deficient number, since it is larger than the sum of its proper divisors (762328).

856472 is a wasteful number, since it uses less digits than its factorization.

856472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866 (or 862 counting only the distinct ones).

The product of its digits is 13440, while the sum is 32.

The square root of 856472 is about 925.4577245882. The cubic root of 856472 is about 94.9666364837.

The spelling of 856472 in words is "eight hundred fifty-six thousand, four hundred seventy-two".