856278 has 32 divisors (see below), whose sum is σ = 1933920. Its totient is φ = 280800.

The previous prime is 856277. The next prime is 856279. The reversal of 856278 is 872658.

It is an interprime number because it is at equal distance from previous prime (856277) and next prime (856279).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (856277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5376 + ... + 5532.

It is an arithmetic number, because the mean of its divisors is an integer number (60435).

2⁸⁵⁶²⁷⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 856278, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (966960).

856278 is an abundant number, since it is smaller than the sum of its proper divisors (1077642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

856278 is a wasteful number, since it uses less digits than its factorization.

856278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269 (or 263 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 856278 is about 925.3529056528. The cubic root of 856278 is about 94.9594656252.

The spelling of 856278 in words is "eight hundred fifty-six thousand, two hundred seventy-eight".