3663206 has 8 divisors (see below), whose sum is σ = 5534760. Its totient is φ = 1818288.

The previous prime is 3663203. The next prime is 3663217. The reversal of 3663206 is 6023663.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3663203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6311 + ... + 6866.

It is an arithmetic number, because the mean of its divisors is an integer number (691845).

Almost surely, 2^3663206 is an apocalyptic number.

3663206 is a deficient number, since it is larger than the sum of its proper divisors (1871554).

3663206 is a wasteful number, since it uses less digits than its factorization.

3663206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13318.

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 3663206 is about 1913.9503650826. The cubic root of 3663206 is about 154.1536387660.

Adding to 3663206 its reverse (6023663), we get a palindrome (9686869).

The spelling of 3663206 in words is "three million, six hundred sixty-three thousand, two hundred six".