6629944 has 8 divisors (see below), whose sum is σ = 12431160. Its totient is φ = 3314968.

The previous prime is 6629941. The next prime is 6629963. The reversal of 6629944 is 4499266.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 6629897 and 6629906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6629941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 414364 + ... + 414379.

It is an arithmetic number, because the mean of its divisors is an integer number (1553895).

Almost surely, 2^6629944 is an apocalyptic number.

It is an amenable number.

6629944 is a deficient number, since it is larger than the sum of its proper divisors (5801216).

6629944 is a wasteful number, since it uses less digits than its factorization.

6629944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828749 (or 828745 counting only the distinct ones).

The product of its digits is 93312, while the sum is 40.

The square root of 6629944 is about 2574.8677635949. The cubic root of 6629944 is about 187.8609957841.

The spelling of 6629944 in words is "six million, six hundred twenty-nine thousand, nine hundred forty-four".