486855 has 24 divisors (see below), whose sum is σ = 873600. Its totient is φ = 250560.

The previous prime is 486839. The next prime is 486869. The reversal of 486855 is 558684.

486855 = 110² + 111² + ... + 140².

It is a happy number.

It is not a de Polignac number, because 486855 - 2⁴ = 486839 is a prime.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1221 + ... + 1569.

It is an arithmetic number, because the mean of its divisors is an integer number (36400).

2⁴⁸⁶⁸⁵⁵ is an apocalyptic number.

486855 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

486855 is a deficient number, since it is larger than the sum of its proper divisors (386745).

486855 is a wasteful number, since it uses less digits than its factorization.

486855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391 (or 388 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 486855 is about 697.7499552132. The cubic root of 486855 is about 78.6683204510.

It can be divided in two parts, 48 and 6855, that added together give a triangular number (6903 = T₁₁₇).

The spelling of 486855 in words is "four hundred eighty-six thousand, eight hundred fifty-five".