3681622 has 32 divisors (see below), whose sum is σ = 6912000. Its totient is φ = 1434240.

The previous prime is 3681619. The next prime is 3681683. The reversal of 3681622 is 2261863.

3681622 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 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 15 ways as a sum of consecutive naturals, for example, 7129 + ... + 7627.

It is an arithmetic number, because the mean of its divisors is an integer number (216000).

Almost surely, 2^3681622 is an apocalyptic number.

3681622 is a deficient number, since it is larger than the sum of its proper divisors (3230378).

3681622 is a wasteful number, since it uses less digits than its factorization.

3681622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556.

The product of its digits is 3456, while the sum is 28.

The square root of 3681622 is about 1918.7553257255. The cubic root of 3681622 is about 154.4115321104.

It can be divided in two parts, 36 and 81622, that multiplied together give a palindrome (2938392).

The spelling of 3681622 in words is "three million, six hundred eighty-one thousand, six hundred twenty-two".