863055 has 20 divisors (see below), whose sum is σ = 1547832. Its totient is φ = 460080.

The previous prime is 863047. The next prime is 863081. The reversal of 863055 is 550368.

It is not a de Polignac number, because 863055 - 2³ = 863047 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 661 + ... + 1470.

2⁸⁶³⁰⁵⁵ is an apocalyptic number.

863055 is a deficient number, since it is larger than the sum of its proper divisors (684777).

863055 is a wasteful number, since it uses less digits than its factorization.

863055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2148 (or 2139 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 863055 is about 929.0075349533. The cubic root of 863055 is about 95.2093260524.

The spelling of 863055 in words is "eight hundred sixty-three thousand, fifty-five".