855477 has 24 divisors (see below), whose sum is σ = 1454336. Its totient is φ = 474336.

The previous prime is 855467. The next prime is 855499. The reversal of 855477 is 774558.

855477 is nontrivially palindromic in base 5.

It is not a de Polignac number, because 855477 - 2⁴ = 855461 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855427) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 2148 + ... + 2514.

2⁸⁵⁵⁴⁷⁷ is an apocalyptic number.

It is an amenable number.

855477 is a deficient number, since it is larger than the sum of its proper divisors (598859).

855477 is a wasteful number, since it uses less digits than its factorization.

855477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417 (or 414 counting only the distinct ones).

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

The square root of 855477 is about 924.9199965402. The cubic root of 855477 is about 94.9298466378.

The spelling of 855477 in words is "eight hundred fifty-five thousand, four hundred seventy-seven".