3666662 has 8 divisors (see below), whose sum is σ = 5823576. Its totient is φ = 1725472.

The previous prime is 3666661. The next prime is 3666703. The reversal of 3666662 is 2666663.

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 (3666661) 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, 53888 + ... + 53955.

It is an arithmetic number, because the mean of its divisors is an integer number (727947).

Almost surely, 2^3666662 is an apocalyptic number.

3666662 is a deficient number, since it is larger than the sum of its proper divisors (2156914).

3666662 is a wasteful number, since it uses less digits than its factorization.

3666662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107862.

The product of its digits is 46656, while the sum is 35.

The square root of 3666662 is about 1914.8529969687. The cubic root of 3666662 is about 154.2021015536.

Subtracting from 3666662 its reverse (2666663), we obtain a palindrome (999999).

The spelling of 3666662 in words is "three million, six hundred sixty-six thousand, six hundred sixty-two".