2208660 has 48 divisors (see below), whose sum is σ = 6253632. Its totient is φ = 582400.

The previous prime is 2208659. The next prime is 2208683. The reversal of 2208660 is 668022.

It is a self number, because there is not a number n which added to its sum of digits gives 2208660.

It is a congruent 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, 7720 + ... + 8000.

It is an arithmetic number, because the mean of its divisors is an integer number (130284).

2^2208660 is an apocalyptic number.

2208660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2208660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3126816).

2208660 is an abundant number, since it is smaller than the sum of its proper divisors (4044972).

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

2208660 is a wasteful number, since it uses less digits than its factorization.

2208660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424 (or 422 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 2208660 is about 1486.1561156218. The cubic root of 2208660 is about 130.2295746182.

The spelling of 2208660 in words is "two million, two hundred eight thousand, six hundred sixty".