3731666 has 8 divisors (see below), whose sum is σ = 5640624. Its totient is φ = 1851460.

The previous prime is 3731627. The next prime is 3731683. The reversal of 3731666 is 6661373.

It is a happy number.

3731666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×3731666² = 27850662271112, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6860 + ... + 7383.

It is an arithmetic number, because the mean of its divisors is an integer number (705078).

Almost surely, 2^3731666 is an apocalyptic number.

3731666 is a deficient number, since it is larger than the sum of its proper divisors (1908958).

3731666 is a wasteful number, since it uses less digits than its factorization.

3731666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14376.

The product of its digits is 13608, while the sum is 32.

The square root of 3731666 is about 1931.7520544832. The cubic root of 3731666 is about 155.1080204360.

The spelling of 3731666 in words is "three million, seven hundred thirty-one thousand, six hundred sixty-six".