6443004 has 12 divisors (see below), whose sum is σ = 15033704. Its totient is φ = 2147664.

The previous prime is 6442999. The next prime is 6443011. The reversal of 6443004 is 4003446.

6443004 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268447 + ... + 268470.

Almost surely, 2^6443004 is an apocalyptic number.

It is an amenable number.

6443004 is an abundant number, since it is smaller than the sum of its proper divisors (8590700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6443004 is a wasteful number, since it uses less digits than its factorization.

6443004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536924 (or 536922 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 6443004 is about 2538.3073100001. The cubic root of 6443004 is about 186.0784730734.

The spelling of 6443004 in words is "six million, four hundred forty-three thousand, four".