6628290 has 32 divisors (see below), whose sum is σ = 16061760. Its totient is φ = 1750464.

The previous prime is 6628289. The next prime is 6628309. The reversal of 6628290 is 928266.

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, 2257 + ... + 4283.

It is an arithmetic number, because the mean of its divisors is an integer number (501930).

Almost surely, 2^6628290 is an apocalyptic number.

6628290 is an abundant number, since it is smaller than the sum of its proper divisors (9433470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6628290 is a wasteful number, since it uses less digits than its factorization.

6628290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2146.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 6628290 is about 2574.5465620183. The cubic root of 6628290 is about 187.8453723274.

The spelling of 6628290 in words is "six million, six hundred twenty-eight thousand, two hundred ninety".