864063 has 24 divisors (see below), whose sum is σ = 1364480. Its totient is φ = 524880.

The previous prime is 864053. The next prime is 864077. The reversal of 864063 is 360468.

It is not a de Polignac number, because 864063 - 2⁴ = 864047 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5220 + ... + 5382.

2⁸⁶⁴⁰⁶³ is an apocalyptic number.

864063 is a deficient number, since it is larger than the sum of its proper divisors (500417).

864063 is a wasteful number, since it uses less digits than its factorization.

864063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 864063 is about 929.5498910763. The cubic root of 864063 is about 95.2463780217.

The spelling of 864063 in words is "eight hundred sixty-four thousand, sixty-three".