3649732 has 12 divisors (see below), whose sum is σ = 6664896. Its totient is φ = 1745480.

The previous prime is 3649699. The next prime is 3649741. The reversal of 3649732 is 2379463.

3649732 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3 ways as a sum of consecutive naturals, for example, 19744 + ... + 19927.

It is an arithmetic number, because the mean of its divisors is an integer number (555408).

Almost surely, 2^3649732 is an apocalyptic number.

It is an amenable number.

3649732 is a deficient number, since it is larger than the sum of its proper divisors (3015164).

3649732 is a wasteful number, since it uses less digits than its factorization.

3649732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39698 (or 39696 counting only the distinct ones).

The product of its digits is 27216, while the sum is 34.

The square root of 3649732 is about 1910.4271773611. The cubic root of 3649732 is about 153.9644039840.

The spelling of 3649732 in words is "three million, six hundred forty-nine thousand, seven hundred thirty-two".