3643736 has 16 divisors (see below), whose sum is σ = 6852600. Its totient is φ = 1816384.

The previous prime is 3643733. The next prime is 3643747. The reversal of 3643736 is 6373463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3643733) 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, 4100 + ... + 4908.

Almost surely, 2^3643736 is an apocalyptic number.

It is an amenable number.

3643736 is a deficient number, since it is larger than the sum of its proper divisors (3208864).

3643736 is a wasteful number, since it uses less digits than its factorization.

3643736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378 (or 1374 counting only the distinct ones).

The product of its digits is 27216, while the sum is 32.

The square root of 3643736 is about 1908.8572497701. The cubic root of 3643736 is about 153.8800437648.

The spelling of 3643736 in words is "three million, six hundred forty-three thousand, seven hundred thirty-six".