3912768 has 42 divisors (see below), whose sum is σ = 11216894. Its totient is φ = 1304064.

The previous prime is 3912763. The next prime is 3912781. The reversal of 3912768 is 8672193.

It can be written as a sum of positive squares in only one way, i.e., 2585664 + 1327104 = 1608^2 + 1152^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (3912763) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2821 + ... + 3972.

Almost surely, 2^3912768 is an apocalyptic number.

It is an amenable number.

3912768 is an abundant number, since it is smaller than the sum of its proper divisors (7304126).

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

3912768 is a wasteful number, since it uses less digits than its factorization.

3912768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6811 (or 6798 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 3912768 is about 1978.0717883838. The cubic root of 3912768 is about 157.5776789916.

The spelling of 3912768 in words is "three million, nine hundred twelve thousand, seven hundred sixty-eight".