3643252 has 12 divisors (see below), whose sum is σ = 6511680. Its totient is φ = 1782776.

The previous prime is 3643217. The next prime is 3643267. The reversal of 3643252 is 2523463.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9502 + ... + 9877.

It is an arithmetic number, because the mean of its divisors is an integer number (542640).

Almost surely, 2^3643252 is an apocalyptic number.

It is an amenable number.

3643252 is a deficient number, since it is larger than the sum of its proper divisors (2868428).

3643252 is a wasteful number, since it uses less digits than its factorization.

3643252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19430 (or 19428 counting only the distinct ones).

The product of its digits is 4320, while the sum is 25.

The square root of 3643252 is about 1908.7304681384. The cubic root of 3643252 is about 153.8732301318.

The spelling of 3643252 in words is "three million, six hundred forty-three thousand, two hundred fifty-two".