3643199 has 12 divisors (see below), whose sum is σ = 4275000. Its totient is φ = 3095568.

The previous prime is 3643181. The next prime is 3643201. The reversal of 3643199 is 9913463.

It is not a de Polignac number, because 3643199 - 2¹⁶ = 3577663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3643139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7052 + ... + 7550.

It is an arithmetic number, because the mean of its divisors is an integer number (356250).

Almost surely, 2^3643199 is an apocalyptic number.

3643199 is a deficient number, since it is larger than the sum of its proper divisors (631801).

3643199 is a wasteful number, since it uses less digits than its factorization.

3643199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662 (or 655 counting only the distinct ones).

The product of its digits is 17496, while the sum is 35.

The square root of 3643199 is about 1908.7165845143. The cubic root of 3643199 is about 153.8724839742.

The spelling of 3643199 in words is "three million, six hundred forty-three thousand, one hundred ninety-nine".