3979768 has 32 divisors (see below), whose sum is σ = 8512560. Its totient is φ = 1728000.

The previous prime is 3979739. The next prime is 3979771. The reversal of 3979768 is 8679793.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 643 + ... + 2893.

Almost surely, 2^3979768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3979768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4256280).

3979768 is an abundant number, since it is smaller than the sum of its proper divisors (4532792).

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

3979768 is a wasteful number, since it uses less digits than its factorization.

3979768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2287 (or 2283 counting only the distinct ones).

The product of its digits is 571536, while the sum is 49.

The square root of 3979768 is about 1994.9355879326. The cubic root of 3979768 is about 158.4720168732.

The spelling of 3979768 in words is "three million, nine hundred seventy-nine thousand, seven hundred sixty-eight".