3621736 has 16 divisors (see below), whose sum is σ = 6855840. Its totient is φ = 1793520.

The previous prime is 3621733. The next prime is 3621767. The reversal of 3621736 is 6371263.

3621736 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3621733) 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 3 ways as a sum of consecutive naturals, for example, 1260 + ... + 2971.

It is an arithmetic number, because the mean of its divisors is an integer number (428490).

Almost surely, 2^3621736 is an apocalyptic number.

It is an amenable number.

3621736 is a deficient number, since it is larger than the sum of its proper divisors (3234104).

3621736 is a wasteful number, since it uses less digits than its factorization.

3621736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4344 (or 4340 counting only the distinct ones).

The product of its digits is 4536, while the sum is 28.

The square root of 3621736 is about 1903.0859150338. The cubic root of 3621736 is about 153.5697214984.

Adding to 3621736 its reverse (6371263), we get a palindrome (9992999).

The spelling of 3621736 in words is "three million, six hundred twenty-one thousand, seven hundred thirty-six".