864803 has 2 divisors, whose sum is σ = 864804. Its totient is φ = 864802.

The previous prime is 864793. The next prime is 864811. The reversal of 864803 is 308468.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-864803 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 864803.

It is not a weakly prime, because it can be changed into another prime (864883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 432401 + 432402.

It is an arithmetic number, because the mean of its divisors is an integer number (432402).

2⁸⁶⁴⁸⁰³ is an apocalyptic number.

864803 is a deficient number, since it is larger than the sum of its proper divisors (1).

864803 is an equidigital number, since it uses as much as digits as its factorization.

864803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 864803 is about 929.9478480001. The cubic root of 864803 is about 95.2735605337.

The spelling of 864803 in words is "eight hundred sixty-four thousand, eight hundred three".