3968764 has 12 divisors (see below), whose sum is σ = 6993000. Its totient is φ = 1970768.

The previous prime is 3968761. The next prime is 3968801. The reversal of 3968764 is 4678693.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 3968764.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3968761) 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, 2734 + ... + 3925.

It is an arithmetic number, because the mean of its divisors is an integer number (582750).

Almost surely, 2^3968764 is an apocalyptic number.

It is an amenable number.

3968764 is a deficient number, since it is larger than the sum of its proper divisors (3024236).

3968764 is a wasteful number, since it uses less digits than its factorization.

3968764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6812 (or 6810 counting only the distinct ones).

The product of its digits is 217728, while the sum is 43.

The square root of 3968764 is about 1992.1756950631. The cubic root of 3968764 is about 158.3258244515.

The spelling of 3968764 in words is "three million, nine hundred sixty-eight thousand, seven hundred sixty-four".