3644206 has 8 divisors (see below), whose sum is σ = 5517720. Its totient is φ = 1804968.

The previous prime is 3644183. The next prime is 3644213. The reversal of 3644206 is 6024463.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 8301 + ... + 8728.

It is an arithmetic number, because the mean of its divisors is an integer number (689715).

Almost surely, 2^3644206 is an apocalyptic number.

3644206 is a deficient number, since it is larger than the sum of its proper divisors (1873514).

3644206 is a wasteful number, since it uses less digits than its factorization.

3644206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17138.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 3644206 is about 1908.9803561064. The cubic root of 3644206 is about 153.8866597318.

Adding to 3644206 its reverse (6024463), we get a palindrome (9668669).

The spelling of 3644206 in words is "three million, six hundred forty-four thousand, two hundred six".