3666812 has 6 divisors (see below), whose sum is σ = 6416928. Its totient is φ = 1833404.

The previous prime is 3666809. The next prime is 3666823. The reversal of 3666812 is 2186663.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 458348 + ... + 458355.

It is an arithmetic number, because the mean of its divisors is an integer number (1069488).

Almost surely, 2^3666812 is an apocalyptic number.

It is an amenable number.

3666812 is a deficient number, since it is larger than the sum of its proper divisors (2750116).

3666812 is a wasteful number, since it uses less digits than its factorization.

3666812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916707 (or 916705 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The square root of 3666812 is about 1914.8921640656. The cubic root of 3666812 is about 154.2042042836.

It can be divided in two parts, 3666 and 812, that multiplied together give a palindrome (2976792).

The spelling of 3666812 in words is "three million, six hundred sixty-six thousand, eight hundred twelve".