856379 has 8 divisors (see below), whose sum is σ = 885360. Its totient is φ = 828000.

The previous prime is 856369. The next prime is 856381. The reversal of 856379 is 973658.

856379 = T₃₄ + T₃₅ + ... + T₁₇₂.

856379 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 856379 - 2¹⁶ = 790843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (856309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6092 + ... + 6230.

It is an arithmetic number, because the mean of its divisors is an integer number (110670).

2⁸⁵⁶³⁷⁹ is an apocalyptic number.

856379 is a deficient number, since it is larger than the sum of its proper divisors (28981).

856379 is a wasteful number, since it uses less digits than its factorization.

856379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301.

The product of its digits is 45360, while the sum is 38.

The square root of 856379 is about 925.4074778172. The cubic root of 856379 is about 94.9631990423.

The spelling of 856379 in words is "eight hundred fifty-six thousand, three hundred seventy-nine".