855774 has 12 divisors (see below), whose sum is σ = 1854216. Its totient is φ = 285252.

The previous prime is 855739. The next prime is 855781. The reversal of 855774 is 477558.

855774 is a `hidden beast` number, since 85 + 577 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

855774 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 5 ways as a sum of consecutive naturals, for example, 23754 + ... + 23789.

It is an arithmetic number, because the mean of its divisors is an integer number (154518).

2⁸⁵⁵⁷⁷⁴ is an apocalyptic number.

855774 is an abundant number, since it is smaller than the sum of its proper divisors (998442).

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

855774 is a wasteful number, since it uses less digits than its factorization.

855774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47551 (or 47548 counting only the distinct ones).

The product of its digits is 39200, while the sum is 36.

The square root of 855774 is about 925.0805370345. The cubic root of 855774 is about 94.9408311148.

The spelling of 855774 in words is "eight hundred fifty-five thousand, seven hundred seventy-four".