855862 has 16 divisors (see below), whose sum is σ = 1482912. Its totient is φ = 362880.

The previous prime is 855857. The next prime is 855863. The reversal of 855862 is 268558.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855863) by changing a digit.

855862 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1312 + ... + 1852.

It is an arithmetic number, because the mean of its divisors is an integer number (92682).

2⁸⁵⁵⁸⁶² is an apocalyptic number.

855862 is a deficient number, since it is larger than the sum of its proper divisors (627050).

855862 is a wasteful number, since it uses less digits than its factorization.

855862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663.

The product of its digits is 19200, while the sum is 34.

The square root of 855862 is about 925.1280992382. The cubic root of 855862 is about 94.9440852866.

The spelling of 855862 in words is "eight hundred fifty-five thousand, eight hundred sixty-two".