3667668 has 12 divisors (see below), whose sum is σ = 8557920. Its totient is φ = 1222552.

The previous prime is 3667637. The next prime is 3667669. The reversal of 3667668 is 8667663.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3667669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152808 + ... + 152831.

It is an arithmetic number, because the mean of its divisors is an integer number (713160).

Almost surely, 2^3667668 is an apocalyptic number.

It is an amenable number.

3667668 is an abundant number, since it is smaller than the sum of its proper divisors (4890252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3667668 is a wasteful number, since it uses less digits than its factorization.

3667668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305646 (or 305644 counting only the distinct ones).

The product of its digits is 217728, while the sum is 42.

The square root of 3667668 is about 1915.1156623035. The cubic root of 3667668 is about 154.2162027651.

The spelling of 3667668 in words is "three million, six hundred sixty-seven thousand, six hundred sixty-eight".