2604220 has 12 divisors (see below), whose sum is σ = 5468904. Its totient is φ = 1041680.

The previous prime is 2604211. The next prime is 2604227. The reversal of 2604220 is 224062.

It is a junction number, because it is equal to n+sod(n) for n = 2604194 and 2604203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2604227) 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, 65086 + ... + 65125.

It is an arithmetic number, because the mean of its divisors is an integer number (455742).

2^2604220 is an apocalyptic number.

2604220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2604220 is an abundant number, since it is smaller than the sum of its proper divisors (2864684).

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

2604220 is a wasteful number, since it uses less digits than its factorization.

2604220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130220 (or 130218 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2604220 is about 1613.7595855641. The cubic root of 2604220 is about 137.5812412457.

Adding to 2604220 its reverse (224062), we get a palindrome (2828282).

It can be divided in two parts, 26042 and 20, that added together give a palindrome (26062).

The spelling of 2604220 in words is "two million, six hundred four thousand, two hundred twenty".