6628115 has 16 divisors (see below), whose sum is σ = 8654688. Its totient is φ = 4843776.

The previous prime is 6628103. The next prime is 6628123. The reversal of 6628115 is 5118266.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 6628115 - 2⁴ = 6628099 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6479 + ... + 7431.

It is an arithmetic number, because the mean of its divisors is an integer number (540918).

Almost surely, 2^6628115 is an apocalyptic number.

6628115 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

6628115 is a deficient number, since it is larger than the sum of its proper divisors (2026573).

6628115 is a wasteful number, since it uses less digits than its factorization.

6628115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078.

The product of its digits is 2880, while the sum is 29.

The square root of 6628115 is about 2574.5125752266. The cubic root of 6628115 is about 187.8437191494.

The spelling of 6628115 in words is "six million, six hundred twenty-eight thousand, one hundred fifteen".