3639622 has 12 divisors (see below), whose sum is σ = 6350940. Its totient is φ = 1559796.

The previous prime is 3639593. The next prime is 3639631. The reversal of 3639622 is 2269363.

3639622 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 5 ways as a sum of consecutive naturals, for example, 18472 + ... + 18667.

It is an arithmetic number, because the mean of its divisors is an integer number (529245).

Almost surely, 2^3639622 is an apocalyptic number.

3639622 is a deficient number, since it is larger than the sum of its proper divisors (2711318).

3639622 is a wasteful number, since it uses less digits than its factorization.

3639622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37155 (or 37148 counting only the distinct ones).

The product of its digits is 11664, while the sum is 31.

The square root of 3639622 is about 1907.7793373449. The cubic root of 3639622 is about 153.8221086395.

The spelling of 3639622 in words is "three million, six hundred thirty-nine thousand, six hundred twenty-two".