655086 has 32 divisors (see below), whose sum is σ = 1410048. Its totient is φ = 202400.

The previous prime is 655069. The next prime is 655087. The reversal of 655086 is 680556.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6436 + ... + 6536.

It is an arithmetic number, because the mean of its divisors is an integer number (44064).

2⁶⁵⁵⁰⁸⁶ is an apocalyptic number.

655086 is an abundant number, since it is smaller than the sum of its proper divisors (754962).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

655086 is a wasteful number, since it uses less digits than its factorization.

655086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 655086 is about 809.3738320455. The cubic root of 655086 is about 86.8492567307.

It can be divided in two parts, 65 and 5086, that added together give a triangular number (5151 = T₁₀₁).

The spelling of 655086 in words is "six hundred fifty-five thousand, eighty-six".