855475 has 12 divisors (see below), whose sum is σ = 1117240. Its totient is φ = 648000.

The previous prime is 855467. The next prime is 855499. The reversal of 855475 is 574558.

It is not a de Polignac number, because 855475 - 2³ = 855467 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 855475.

It is an unprimeable 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 11 ways as a sum of consecutive naturals, for example, 426 + ... + 1375.

2⁸⁵⁵⁴⁷⁵ is an apocalyptic number.

855475 is a deficient number, since it is larger than the sum of its proper divisors (261765).

855475 is a wasteful number, since it uses less digits than its factorization.

855475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1830 (or 1825 counting only the distinct ones).

The product of its digits is 28000, while the sum is 34.

The square root of 855475 is about 924.9189153650. The cubic root of 855475 is about 94.9297726597.

The spelling of 855475 in words is "eight hundred fifty-five thousand, four hundred seventy-five".