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2606 = 21303

2606 has 4 divisors (see below), whose sum is σ = 3912. Its totient is φ = 1302.

The previous prime is 2593. The next prime is 2609. The reversal of 2606 is 6062.

2606 = 242 + 252 + ... + 272.

2606 is nontrivially palindromic in base 15.

2606 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

2606 is an undulating number in base 15.

It is a plaindrome in base 13.

It is a nialpdrome in base 14.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 2606.

It is not an unprimeable number, because it can be changed into a prime (2609) by changing a digit.

2606 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650 + ... + 653.

It is an arithmetic number, because the mean of its divisors is an integer number (978).

22606 is an apocalyptic number.

2606 is a deficient number, since it is larger than the sum of its proper divisors (1306).

2606 is a wasteful number, since it uses less digits than its factorization.

2606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2606 is about 51.0489960724. The cubic root of 2606 is about 13.7612579975.

Adding to 2606 its reverse (6062), we get a palindrome (8668).

The spelling of 2606 in words is "two thousand, six hundred six".

Divisors: 1 2 1303 2606