855927 has 10 divisors (see below), whose sum is σ = 1278728. Its totient is φ = 570564.

The previous prime is 855923. The next prime is 855937. The reversal of 855927 is 729558.

It is not a de Polignac number, because 855927 - 2² = 855923 is a prime.

It is a super-2 number, since 2×855927² = 1465222058658, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 855891 and 855900.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 855927.

It is not an unprimeable number, because it can be changed into a prime (855923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5203 + ... + 5364.

2⁸⁵⁵⁹²⁷ is an apocalyptic number.

855927 is a deficient number, since it is larger than the sum of its proper divisors (422801).

855927 is a wasteful number, since it uses less digits than its factorization.

855927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10579 (or 10570 counting only the distinct ones).

The product of its digits is 25200, while the sum is 36.

The square root of 855927 is about 925.1632288413. The cubic root of 855927 is about 94.9464887930.

The spelling of 855927 in words is "eight hundred fifty-five thousand, nine hundred twenty-seven".