3664206 has 48 divisors (see below), whose sum is σ = 9775584. Its totient is φ = 965952.

The previous prime is 3664189. The next prime is 3664247. The reversal of 3664206 is 6024663.

It is a super-2 number, since 2×3664206² = 26852811220872, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3664206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 520 + ... + 2756.

It is an arithmetic number, because the mean of its divisors is an integer number (203658).

Almost surely, 2^3664206 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3664206, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4887792).

3664206 is an abundant number, since it is smaller than the sum of its proper divisors (6111378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3664206 is a wasteful number, since it uses less digits than its factorization.

3664206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2265 (or 2262 counting only the distinct ones).

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

The square root of 3664206 is about 1914.2115870509. The cubic root of 3664206 is about 154.1676646961.

Adding to 3664206 its reverse (6024663), we get a palindrome (9688869).

The spelling of 3664206 in words is "three million, six hundred sixty-four thousand, two hundred six".