3331666 has 12 divisors (see below), whose sum is σ = 5412042. Its totient is φ = 1537536.

The previous prime is 3331661. The next prime is 3331673. The reversal of 3331666 is 6661333.

3331666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 1452025 + 1879641 = 1205^2 + 1371^2 .

It is a super-2 number, since 2×3331666² = 22199996671112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3331661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4591 + ... + 5266.

Almost surely, 2^3331666 is an apocalyptic number.

3331666 is a deficient number, since it is larger than the sum of its proper divisors (2080376).

3331666 is a wasteful number, since it uses less digits than its factorization.

3331666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9885 (or 9872 counting only the distinct ones).

The product of its digits is 5832, while the sum is 28.

The square root of 3331666 is about 1825.2851831974. The cubic root of 3331666 is about 149.3552474129.

Adding to 3331666 its reverse (6661333), we get a palindrome (9992999).

The spelling of 3331666 in words is "three million, three hundred thirty-one thousand, six hundred sixty-six".