3666874 has 4 divisors (see below), whose sum is σ = 5500314. Its totient is φ = 1833436.

The previous prime is 3666853. The next prime is 3666877. The reversal of 3666874 is 4786663.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1863225 + 1803649 = 1365^2 + 1343^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3666877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 916717 + ... + 916720.

Almost surely, 2^3666874 is an apocalyptic number.

3666874 is a deficient number, since it is larger than the sum of its proper divisors (1833440).

3666874 is a wasteful number, since it uses less digits than its factorization.

3666874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1833439.

The product of its digits is 145152, while the sum is 40.

The square root of 3666874 is about 1914.9083528984. The cubic root of 3666874 is about 154.2050733952.

The spelling of 3666874 in words is "three million, six hundred sixty-six thousand, eight hundred seventy-four".