3649606 has 16 divisors (see below), whose sum is σ = 5677200. Its totient is φ = 1758240.

The previous prime is 3649601. The next prime is 3649609. The reversal of 3649606 is 6069463.

3649606 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3649601) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 10861 + ... + 11191.

It is an arithmetic number, because the mean of its divisors is an integer number (354825).

Almost surely, 2^3649606 is an apocalyptic number.

3649606 is a deficient number, since it is larger than the sum of its proper divisors (2027594).

3649606 is a wasteful number, since it uses less digits than its factorization.

3649606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 3649606 is about 1910.3942001587. The cubic root of 3649606 is about 153.9626321884.

The spelling of 3649606 in words is "three million, six hundred forty-nine thousand, six hundred six".