856748 has 12 divisors (see below), whose sum is σ = 1578360. Its totient is φ = 405792.

The previous prime is 856733. The next prime is 856759. The reversal of 856748 is 847658.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

856748 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5561 + ... + 5712.

It is an arithmetic number, because the mean of its divisors is an integer number (131530).

2⁸⁵⁶⁷⁴⁸ is an apocalyptic number.

It is an amenable number.

856748 is a deficient number, since it is larger than the sum of its proper divisors (721612).

856748 is a wasteful number, since it uses less digits than its factorization.

856748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11296 (or 11294 counting only the distinct ones).

The product of its digits is 53760, while the sum is 38.

The square root of 856748 is about 925.6068279783. The cubic root of 856748 is about 94.9768364578.

The spelling of 856748 in words is "eight hundred fifty-six thousand, seven hundred forty-eight".