6441039 has 20 divisors (see below), whose sum is σ = 10497960. Its totient is φ = 3903120.

The previous prime is 6441031. The next prime is 6441041. The reversal of 6441039 is 9301446.

6441039 is a `hidden beast` number, since 644 + 10 + 3 + 9 = 666.

It is not a de Polignac number, because 6441039 - 2³ = 6441031 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6441031) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2724 + ... + 4505.

It is an arithmetic number, because the mean of its divisors is an integer number (524898).

Almost surely, 2^6441039 is an apocalyptic number.

6441039 is a deficient number, since it is larger than the sum of its proper divisors (4056921).

6441039 is a wasteful number, since it uses less digits than its factorization.

6441039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7252 (or 7243 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 6441039 is about 2537.9202115118. The cubic root of 6441039 is about 186.0595542907.

The spelling of 6441039 in words is "six million, four hundred forty-one thousand, thirty-nine".