860055 has 16 divisors (see below), whose sum is σ = 1572864. Its totient is φ = 393120.

The previous prime is 860051. The next prime is 860059. The reversal of 860055 is 550068.

It is an interprime number because it is at equal distance from previous prime (860051) and next prime (860059).

It is not a de Polignac number, because 860055 - 2² = 860051 is a prime.

860055 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (860051) 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 15 ways as a sum of consecutive naturals, for example, 3991 + ... + 4200.

It is an arithmetic number, because the mean of its divisors is an integer number (98304).

2⁸⁶⁰⁰⁵⁵ is an apocalyptic number.

860055 is a deficient number, since it is larger than the sum of its proper divisors (712809).

860055 is a wasteful number, since it uses less digits than its factorization.

860055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8206.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 860055 is about 927.3915030881. The cubic root of 860055 is about 95.0988813459.

The spelling of 860055 in words is "eight hundred sixty thousand, fifty-five".