864793 has 2 divisors, whose sum is σ = 864794. Its totient is φ = 864792.

The previous prime is 864781. The next prime is 864803. The reversal of 864793 is 397468.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 444889 + 419904 = 667^2 + 648^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-864793 is a prime.

It is not a weakly prime, because it can be changed into another prime (864733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 432396 + 432397.

It is an arithmetic number, because the mean of its divisors is an integer number (432397).

2⁸⁶⁴⁷⁹³ is an apocalyptic number.

It is an amenable number.

864793 is a deficient number, since it is larger than the sum of its proper divisors (1).

864793 is an equidigital number, since it uses as much as digits as its factorization.

864793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 37.

The square root of 864793 is about 929.9424713390. The cubic root of 864793 is about 95.2731933058.

The spelling of 864793 in words is "eight hundred sixty-four thousand, seven hundred ninety-three".