3666338 has 16 divisors (see below), whose sum is σ = 6181056. Its totient is φ = 1618320.

The previous prime is 3666331. The next prime is 3666347. The reversal of 3666338 is 8336663.

It is a junction number, because it is equal to n+sod(n) for n = 3666298 and 3666307.

It is not an unprimeable number, because it can be changed into a prime (3666331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2468 + ... + 3663.

It is an arithmetic number, because the mean of its divisors is an integer number (386316).

Almost surely, 2^3666338 is an apocalyptic number.

3666338 is a deficient number, since it is larger than the sum of its proper divisors (2514718).

3666338 is a wasteful number, since it uses less digits than its factorization.

3666338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6169.

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

The square root of 3666338 is about 1914.7683933050. The cubic root of 3666338 is about 154.1975594613.

It can be divided in two parts, 3666 and 338, that added together give a palindrome (4004).

The spelling of 3666338 in words is "three million, six hundred sixty-six thousand, three hundred thirty-eight".