6339944 has 16 divisors (see below), whose sum is σ = 12802020. Its totient is φ = 2926080.

The previous prime is 6339937. The next prime is 6339947. The reversal of 6339944 is 4499336.

It can be written as a sum of positive squares in 2 ways, for example, as 4571044 + 1768900 = 2138^2 + 1330^2 .

It is a d-powerful number, because it can be written as 6⁴ + 3⁷ + 3¹³ + 9 + 9⁶ + 4⁷ + 4¹¹ .

It is a junction number, because it is equal to n+sod(n) for n = 6339898 and 6339907.

It is not an unprimeable number, because it can be changed into a prime (6339947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30377 + ... + 30584.

Almost surely, 2^6339944 is an apocalyptic number.

It is an amenable number.

6339944 is an abundant number, since it is smaller than the sum of its proper divisors (6462076).

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

6339944 is a wasteful number, since it uses less digits than its factorization.

6339944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60980 (or 60976 counting only the distinct ones).

The product of its digits is 69984, while the sum is 38.

The square root of 6339944 is about 2517.9245421577. The cubic root of 6339944 is about 185.0809871854.

The spelling of 6339944 in words is "six million, three hundred thirty-nine thousand, nine hundred forty-four".