3666697 has 8 divisors (see below), whose sum is σ = 3750656. Its totient is φ = 3583872.

The previous prime is 3666661. The next prime is 3666703. The reversal of 3666697 is 7966663.

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

It is a cyclic number.

It is not a de Polignac number, because 3666697 - 2¹¹ = 3664649 is a prime.

It is a Duffinian number.

Its product of digits (244944) is a multiple of the sum of its prime divisors (567).

3666697 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3666647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9808 + ... + 10174.

It is an arithmetic number, because the mean of its divisors is an integer number (468832).

Almost surely, 2^3666697 is an apocalyptic number.

It is an amenable number.

3666697 is a deficient number, since it is larger than the sum of its proper divisors (83959).

3666697 is a wasteful number, since it uses less digits than its factorization.

3666697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567.

The product of its digits is 244944, while the sum is 43.

The square root of 3666697 is about 1914.8621360296. The cubic root of 3666697 is about 154.2025921957.

It can be divided in two parts, 36666 and 97, that added together give a palindrome (36763).

The spelling of 3666697 in words is "three million, six hundred sixty-six thousand, six hundred ninety-seven".