6628995 has 12 divisors (see below), whose sum is σ = 11490336. Its totient is φ = 3535440.

The previous prime is 6628981. The next prime is 6629033. The reversal of 6628995 is 5998266.

It is not a de Polignac number, because 6628995 - 2⁹ = 6628483 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 147311 = 6628995 / (6 + 6 + 2 + 8 + 9 + 9 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 6628995.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73611 + ... + 73700.

It is an arithmetic number, because the mean of its divisors is an integer number (957528).

Almost surely, 2^6628995 is an apocalyptic number.

6628995 is a deficient number, since it is larger than the sum of its proper divisors (4861341).

6628995 is a wasteful number, since it uses less digits than its factorization.

6628995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147322 (or 147319 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 6628995 is about 2574.6834756917. The cubic root of 6628995 is about 187.8520319783.

The spelling of 6628995 in words is "six million, six hundred twenty-eight thousand, nine hundred ninety-five".