6628814 has 4 divisors (see below), whose sum is σ = 9943224. Its totient is φ = 3314406.

The previous prime is 6628813. The next prime is 6628819. The reversal of 6628814 is 4188266.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6628813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1657202 + ... + 1657205.

It is an arithmetic number, because the mean of its divisors is an integer number (2485806).

Almost surely, 2^6628814 is an apocalyptic number.

6628814 is a deficient number, since it is larger than the sum of its proper divisors (3314410).

6628814 is a wasteful number, since it uses less digits than its factorization.

6628814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3314409.

The product of its digits is 18432, while the sum is 35.

The square root of 6628814 is about 2574.6483255000. The cubic root of 6628814 is about 187.8503222406.

The spelling of 6628814 in words is "six million, six hundred twenty-eight thousand, eight hundred fourteen".