864059 has 16 divisors (see below), whose sum is σ = 1073088. Its totient is φ = 678912.

The previous prime is 864053. The next prime is 864077. The reversal of 864059 is 950468.

It is not a de Polignac number, because 864059 - 2⁸ = 863803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (864053) 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, 6239 + ... + 6375.

It is an arithmetic number, because the mean of its divisors is an integer number (67068).

2⁸⁶⁴⁰⁵⁹ is an apocalyptic number.

864059 is a deficient number, since it is larger than the sum of its proper divisors (209029).

864059 is a wasteful number, since it uses less digits than its factorization.

864059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 864059 is about 929.5477394949. The cubic root of 864059 is about 95.2462310470.

The spelling of 864059 in words is "eight hundred sixty-four thousand, fifty-nine".