3867664 has 20 divisors (see below), whose sum is σ = 7544656. Its totient is φ = 1920672.

The previous prime is 3867649. The next prime is 3867679. The reversal of 3867664 is 4667683.

It is an interprime number because it is at equal distance from previous prime (3867649) and next prime (3867679).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1867 + ... + 3349.

Almost surely, 2^3867664 is an apocalyptic number.

It is an amenable number.

3867664 is a deficient number, since it is larger than the sum of its proper divisors (3676992).

3867664 is a wasteful number, since it uses less digits than its factorization.

3867664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1654 (or 1648 counting only the distinct ones).

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

The square root of 3867664 is about 1966.6377399003. The cubic root of 3867664 is about 156.9698510001.

The spelling of 3867664 in words is "three million, eight hundred sixty-seven thousand, six hundred sixty-four".