6628937 has 8 divisors (see below), whose sum is σ = 7601472. Its totient is φ = 5662800.

The previous prime is 6628879. The next prime is 6628943. The reversal of 6628937 is 7398266.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6628937 - 2²⁰ = 5580361 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6628894 and 6628903.

It is not an unprimeable number, because it can be changed into a prime (6628537) 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, 887 + ... + 3747.

It is an arithmetic number, because the mean of its divisors is an integer number (950184).

Almost surely, 2^6628937 is an apocalyptic number.

It is an amenable number.

6628937 is a deficient number, since it is larger than the sum of its proper divisors (972535).

6628937 is a wasteful number, since it uses less digits than its factorization.

6628937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3199.

The product of its digits is 108864, while the sum is 41.

The square root of 6628937 is about 2574.6722121466. The cubic root of 6628937 is about 187.8514841099.

The spelling of 6628937 in words is "six million, six hundred twenty-eight thousand, nine hundred thirty-seven".