3666890 has 32 divisors (see below), whose sum is σ = 6998400. Its totient is φ = 1380544.

The previous prime is 3666881. The next prime is 3666907. The reversal of 3666890 is 986663.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24536 + ... + 24684.

It is an arithmetic number, because the mean of its divisors is an integer number (218700).

Almost surely, 2^3666890 is an apocalyptic number.

3666890 is a deficient number, since it is larger than the sum of its proper divisors (3331510).

3666890 is a wasteful number, since it uses less digits than its factorization.

3666890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 3666890 is about 1914.9125306395. The cubic root of 3666890 is about 154.2052976805.

The spelling of 3666890 in words is "three million, six hundred sixty-six thousand, eight hundred ninety".