3631606 has 16 divisors (see below), whose sum is σ = 5971968. Its totient is φ = 1642600.

The previous prime is 3631597. The next prime is 3631609. The reversal of 3631606 is 6061363.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3631609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8211 + ... + 8641.

It is an arithmetic number, because the mean of its divisors is an integer number (373248).

Almost surely, 2^3631606 is an apocalyptic number.

3631606 is a deficient number, since it is larger than the sum of its proper divisors (2340362).

3631606 is a wasteful number, since it uses less digits than its factorization.

3631606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 3631606 is about 1905.6773074159. The cubic root of 3631606 is about 153.7090983363.

Adding to 3631606 its reverse (6061363), we get a palindrome (9692969).

The spelling of 3631606 in words is "three million, six hundred thirty-one thousand, six hundred six".