2002606 has 4 divisors (see below), whose sum is σ = 3003912. Its totient is φ = 1001302.

The previous prime is 2002603. The next prime is 2002607. The reversal of 2002606 is 6062002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6062002 = 2 ⋅3031001.

It is a self number, because there is not a number n which added to its sum of digits gives 2002606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002603) by changing a digit.

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 as a sum of consecutive naturals, namely, 500650 + ... + 500653.

It is an arithmetic number, because the mean of its divisors is an integer number (750978).

2^2002606 is an apocalyptic number.

2002606 is a deficient number, since it is larger than the sum of its proper divisors (1001306).

2002606 is a wasteful number, since it uses less digits than its factorization.

2002606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001305.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2002606 is about 1415.1346225713. The cubic root of 2002606 is about 126.0468038098.

Adding to 2002606 its reverse (6062002), we get a palindrome (8064608).

The spelling of 2002606 in words is "two million, two thousand, six hundred six".