2405606 has 12 divisors (see below), whose sum is σ = 4197708. Its totient is φ = 1030932.

The previous prime is 2405591. The next prime is 2405621. The reversal of 2405606 is 6065042.

2405606 = 774² + 775² + ... + 777².

2405606 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2405591) and next prime (2405621).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12176 + ... + 12371.

It is an arithmetic number, because the mean of its divisors is an integer number (349809).

2^2405606 is an apocalyptic number.

2405606 is a deficient number, since it is larger than the sum of its proper divisors (1792102).

2405606 is a wasteful number, since it uses less digits than its factorization.

2405606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24563 (or 24556 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2405606 is about 1551.0016118625. The cubic root of 2405606 is about 133.9907545414.

The spelling of 2405606 in words is "two million, four hundred five thousand, six hundred six".