3633944 has 16 divisors (see below), whose sum is σ = 7033920. Its totient is φ = 1758240.

The previous prime is 3633941. The next prime is 3633983. The reversal of 3633944 is 4493363.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 3633944.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3633941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7079 + ... + 7574.

It is an arithmetic number, because the mean of its divisors is an integer number (439620).

Almost surely, 2^3633944 is an apocalyptic number.

It is an amenable number.

3633944 is a deficient number, since it is larger than the sum of its proper divisors (3399976).

3633944 is a wasteful number, since it uses less digits than its factorization.

3633944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14690 (or 14686 counting only the distinct ones).

The product of its digits is 23328, while the sum is 32.

The square root of 3633944 is about 1906.2906389111. The cubic root of 3633944 is about 153.7420768385.

The spelling of 3633944 in words is "three million, six hundred thirty-three thousand, nine hundred forty-four".