6620260 has 12 divisors (see below), whose sum is σ = 13902588. Its totient is φ = 2648096.

The previous prime is 6620231. The next prime is 6620261. The reversal of 6620260 is 620266.

It can be written as a sum of positive squares in 2 ways, for example, as 3175524 + 3444736 = 1782^2 + 1856^2 .

It is not an unprimeable number, because it can be changed into a prime (6620261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165487 + ... + 165526.

It is an arithmetic number, because the mean of its divisors is an integer number (1158549).

Almost surely, 2^6620260 is an apocalyptic number.

It is an amenable number.

6620260 is an abundant number, since it is smaller than the sum of its proper divisors (7282328).

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

6620260 is a wasteful number, since it uses less digits than its factorization.

6620260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331022 (or 331020 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 6620260 is about 2572.9865914925. The cubic root of 6620260 is about 187.7694850886.

The spelling of 6620260 in words is "six million, six hundred twenty thousand, two hundred sixty".