3666756 has 12 divisors (see below), whose sum is σ = 8555792. Its totient is φ = 1222248.

The previous prime is 3666743. The next prime is 3666757. The reversal of 3666756 is 6576663.

It is a tau number, because it is divible by the number of its divisors (12).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3666757) 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 3 ways as a sum of consecutive naturals, for example, 152770 + ... + 152793.

Almost surely, 2^3666756 is an apocalyptic number.

It is an amenable number.

3666756 is an abundant number, since it is smaller than the sum of its proper divisors (4889036).

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

3666756 is a wasteful number, since it uses less digits than its factorization.

3666756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305570 (or 305568 counting only the distinct ones).

The product of its digits is 136080, while the sum is 39.

The square root of 3666756 is about 1914.8775417765. The cubic root of 3666756 is about 154.2034192711.

The spelling of 3666756 in words is "three million, six hundred sixty-six thousand, seven hundred fifty-six".