3666682 has 4 divisors (see below), whose sum is σ = 5500026. Its totient is φ = 1833340.

The previous prime is 3666661. The next prime is 3666703. The reversal of 3666682 is 2866663.

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

It is an interprime number because it is at equal distance from previous prime (3666661) and next prime (3666703).

It can be written as a sum of positive squares in only one way, i.e., 1846881 + 1819801 = 1359^2 + 1349^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 916669 + ... + 916672.

Almost surely, 2^3666682 is an apocalyptic number.

3666682 is a deficient number, since it is larger than the sum of its proper divisors (1833344).

3666682 is a wasteful number, since it uses less digits than its factorization.

3666682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1833343.

The product of its digits is 62208, while the sum is 37.

The square root of 3666682 is about 1914.8582192946. The cubic root of 3666682 is about 154.2023819209.

The spelling of 3666682 in words is "three million, six hundred sixty-six thousand, six hundred eighty-two".