6444834 has 16 divisors (see below), whose sum is σ = 14061600. Its totient is φ = 1952960.

The previous prime is 6444827. The next prime is 6444839. The reversal of 6444834 is 4384446.

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

It is a junction number, because it is equal to n+sod(n) for n = 6444795 and 6444804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6444839) 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, 48759 + ... + 48890.

It is an arithmetic number, because the mean of its divisors is an integer number (878850).

Almost surely, 2^6444834 is an apocalyptic number.

6444834 is an abundant number, since it is smaller than the sum of its proper divisors (7616766).

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

6444834 is a wasteful number, since it uses less digits than its factorization.

6444834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97665.

The product of its digits is 36864, while the sum is 33.

The square root of 6444834 is about 2538.6677608541. The cubic root of 6444834 is about 186.0960886334.

The spelling of 6444834 in words is "six million, four hundred forty-four thousand, eight hundred thirty-four".