6440204 has 24 divisors (see below), whose sum is σ = 11869200. Its totient is φ = 3053120.

The previous prime is 6440201. The next prime is 6440249. The reversal of 6440204 is 4020446.

6440204 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (6440201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6374 + ... + 7314.

It is an arithmetic number, because the mean of its divisors is an integer number (494550).

Almost surely, 2^6440204 is an apocalyptic number.

It is an amenable number.

6440204 is a deficient number, since it is larger than the sum of its proper divisors (5428996).

6440204 is a wasteful number, since it uses less digits than its factorization.

6440204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033 (or 1031 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 6440204 is about 2537.7557014023. The cubic root of 6440204 is about 186.0515138466.

The spelling of 6440204 in words is "six million, four hundred forty thousand, two hundred four".