3912868 has 6 divisors (see below), whose sum is σ = 6847526. Its totient is φ = 1956432.

The previous prime is 3912859. The next prime is 3912877. The reversal of 3912868 is 8682193.

It is an interprime number because it is at equal distance from previous prime (3912859) and next prime (3912877).

It can be written as a sum of positive squares in only one way, i.e., 2896804 + 1016064 = 1702^2 + 1008^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 489105 + ... + 489112.

Almost surely, 2^3912868 is an apocalyptic number.

It is an amenable number.

3912868 is a deficient number, since it is larger than the sum of its proper divisors (2934658).

3912868 is a wasteful number, since it uses less digits than its factorization.

3912868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978221 (or 978219 counting only the distinct ones).

The product of its digits is 20736, while the sum is 37.

The square root of 3912868 is about 1978.0970653636. The cubic root of 3912868 is about 157.5790214030.

The spelling of 3912868 in words is "three million, nine hundred twelve thousand, eight hundred sixty-eight".