3644163 has 16 divisors (see below), whose sum is σ = 5443200. Its totient is φ = 2409480.

The previous prime is 3644159. The next prime is 3644183. The reversal of 3644163 is 3614463.

3644163 is a `hidden beast` number, since 3 + 644 + 16 + 3 = 666.

It is not a de Polignac number, because 3644163 - 2² = 3644159 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3644153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3268 + ... + 4238.

It is an arithmetic number, because the mean of its divisors is an integer number (340200).

Almost surely, 2^3644163 is an apocalyptic number.

3644163 is a deficient number, since it is larger than the sum of its proper divisors (1799037).

3644163 is a wasteful number, since it uses less digits than its factorization.

3644163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119 (or 1113 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 3644163 is about 1908.9690935162. The cubic root of 3644163 is about 153.8860544648.

The spelling of 3644163 in words is "three million, six hundred forty-four thousand, one hundred sixty-three".