2606604 has 144 divisors (see below), whose sum is σ = 8580096. Its totient is φ = 604800.

The previous prime is 2606603. The next prime is 2606633. The reversal of 2606604 is 4066062.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2606603) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 84069 + ... + 84099.

It is an arithmetic number, because the mean of its divisors is an integer number (59584).

2^2606604 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2606604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4290048).

2606604 is an abundant number, since it is smaller than the sum of its proper divisors (5973492).

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

2606604 is a wasteful number, since it uses less digits than its factorization.

2606604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76 (or 67 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 2606604 is about 1614.4980644151. The cubic root of 2606604 is about 137.6232107726.

It can be divided in two parts, 2 and 606604, that added together give a palindrome (606606).

The spelling of 2606604 in words is "two million, six hundred six thousand, six hundred four".