6864403 has 16 divisors (see below), whose sum is σ = 8510656. Its totient is φ = 5391360.

The previous prime is 6864383. The next prime is 6864427. The reversal of 6864403 is 3044686.

6864403 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6864403 - 2⁹ = 6863891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6864443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21775 + ... + 22087.

It is an arithmetic number, because the mean of its divisors is an integer number (531916).

Almost surely, 2^6864403 is an apocalyptic number.

6864403 is a deficient number, since it is larger than the sum of its proper divisors (1646253).

6864403 is a wasteful number, since it uses less digits than its factorization.

6864403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 6864403 is about 2620.0005725190. Note that the first 3 decimals coincide. The cubic root of 6864403 is about 190.0498761028.

The spelling of 6864403 in words is "six million, eight hundred sixty-four thousand, four hundred three".