863072 has 24 divisors (see below), whose sum is σ = 1942416. Its totient is φ = 369792.

The previous prime is 863047. The next prime is 863081. The reversal of 863072 is 270368.

It is a congruent number.

It is an unprimeable number.

863072 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1703 + ... + 2150.

It is an arithmetic number, because the mean of its divisors is an integer number (80934).

2⁸⁶³⁰⁷² is an apocalyptic number.

It is an amenable number.

863072 is an abundant number, since it is smaller than the sum of its proper divisors (1079344).

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

863072 is a wasteful number, since it uses less digits than its factorization.

863072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3870 (or 3862 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 863072 is about 929.0166844573. The cubic root of 863072 is about 95.2099511760.

Subtracting from 863072 its reverse (270368), we obtain a cube (592704 = 84³).

The spelling of 863072 in words is "eight hundred sixty-three thousand, seventy-two".