864163 has 4 divisors (see below), whose sum is σ = 870520. Its totient is φ = 857808.

The previous prime is 864151. The next prime is 864167. The reversal of 864163 is 361468.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 864163 - 2⁵ = 864131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (864167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2970 + ... + 3247.

It is an arithmetic number, because the mean of its divisors is an integer number (217630).

2⁸⁶⁴¹⁶³ is an apocalyptic number.

864163 is a deficient number, since it is larger than the sum of its proper divisors (6357).

864163 is a wasteful number, since it uses less digits than its factorization.

864163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6356.

The product of its digits is 3456, while the sum is 28.

The square root of 864163 is about 929.6036789944. The cubic root of 864163 is about 95.2500522408.

The spelling of 864163 in words is "eight hundred sixty-four thousand, one hundred sixty-three".