3622636 has 6 divisors (see below), whose sum is σ = 6339620. Its totient is φ = 1811316.

The previous prime is 3622631. The next prime is 3622643. The reversal of 3622636 is 6362263.

It is not an unprimeable number, because it can be changed into a prime (3622631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 452826 + ... + 452833.

Almost surely, 2^3622636 is an apocalyptic number.

It is an amenable number.

3622636 is a deficient number, since it is larger than the sum of its proper divisors (2716984).

3622636 is a wasteful number, since it uses less digits than its factorization.

3622636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905663 (or 905661 counting only the distinct ones).

The product of its digits is 7776, while the sum is 28.

The square root of 3622636 is about 1903.3223584039. The cubic root of 3622636 is about 153.5824411171.

Adding to 3622636 its reverse (6362263), we get a palindrome (9984899).

The spelling of 3622636 in words is "three million, six hundred twenty-two thousand, six hundred thirty-six".