6628069 has 16 divisors (see below), whose sum is σ = 7877248. Its totient is φ = 5458752.

The previous prime is 6628057. The next prime is 6628073. The reversal of 6628069 is 9608266.

It is a cyclic number.

It is not a de Polignac number, because 6628069 - 2⁹ = 6627557 is a prime.

It is a super-2 number, since 2×6628069² = 87862597337522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6628099) 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 15 ways as a sum of consecutive naturals, for example, 40582 + ... + 40744.

It is an arithmetic number, because the mean of its divisors is an integer number (492328).

Almost surely, 2^6628069 is an apocalyptic number.

It is an amenable number.

6628069 is a deficient number, since it is larger than the sum of its proper divisors (1249179).

6628069 is a wasteful number, since it uses less digits than its factorization.

6628069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 6628069 is about 2574.5036414812. The cubic root of 6628069 is about 187.8432845949.

The spelling of 6628069 in words is "six million, six hundred twenty-eight thousand, sixty-nine".