864332403 has 12 divisors (see below), whose sum is σ = 1266735624. Its totient is φ = 523837600.

The previous prime is 864332383. The next prime is 864332503. The reversal of 864332403 is 304233468.

864332403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 864332403 - 2⁹ = 864331891 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (864332503) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1190178 + ... + 1190903.

It is an arithmetic number, because the mean of its divisors is an integer number (105561302).

Almost surely, 2^864332403 is an apocalyptic number.

864332403 is a deficient number, since it is larger than the sum of its proper divisors (402403221).

864332403 is a wasteful number, since it uses less digits than its factorization.

864332403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2381106 (or 2381095 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 33.

The square root of 864332403 is about 29399.5306595190. The cubic root of 864332403 is about 952.5627583149.

The spelling of 864332403 in words is "eight hundred sixty-four million, three hundred thirty-two thousand, four hundred three".