2604620 has 24 divisors (see below), whose sum is σ = 5647488. Its totient is φ = 1008000.

The previous prime is 2604617. The next prime is 2604647. The reversal of 2604620 is 264062.

It is a Smith number, since the sum of its digits (20) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2604592 and 2604601.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1481 + ... + 2720.

It is an arithmetic number, because the mean of its divisors is an integer number (235312).

2^2604620 is an apocalyptic number.

2604620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2604620 is an abundant number, since it is smaller than the sum of its proper divisors (3042868).

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

2604620 is a wasteful number, since it uses less digits than its factorization.

2604620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4241 (or 4239 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2604620 is about 1613.8835150035. The cubic root of 2604620 is about 137.5882849004.

Adding to 2604620 its reverse (264062), we get a palindrome (2868682).

The spelling of 2604620 in words is "two million, six hundred four thousand, six hundred twenty".