3867968 has 28 divisors (see below), whose sum is σ = 8267700. Its totient is φ = 1784832.

The previous prime is 3867961. The next prime is 3868003. The reversal of 3867968 is 8697683.

It can be written as a sum of positive squares in 2 ways, for example, as 2408704 + 1459264 = 1552^2 + 1208^2 .

It is a super-2 number, since 2×3867968² = 29922352898048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3867961) 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, 1493 + ... + 3156.

It is an arithmetic number, because the mean of its divisors is an integer number (295275).

Almost surely, 2^3867968 is an apocalyptic number.

It is an amenable number.

3867968 is an abundant number, since it is smaller than the sum of its proper divisors (4399732).

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

3867968 is a wasteful number, since it uses less digits than its factorization.

3867968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4674 (or 4664 counting only the distinct ones).

The product of its digits is 435456, while the sum is 47.

The square root of 3867968 is about 1966.7150276540. The cubic root of 3867968 is about 156.9739635242.

The spelling of 3867968 in words is "three million, eight hundred sixty-seven thousand, nine hundred sixty-eight".