3979843396 has 9 divisors (see below), whose sum is σ = 6964946751. Its totient is φ = 1989858612.

The previous prime is 3979843369. The next prime is 3979843403. The reversal of 3979843396 is 6933489793.

The square root of 3979843396 is 63086.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 110401 + ... + 141943.

Almost surely, 2^3979843396 is an apocalyptic number.

3979843396 is the 63086-th square number.

It is an amenable number.

3979843396 is a deficient number, since it is larger than the sum of its proper divisors (2985103355).

3979843396 is an frugal number, since it uses more digits than its factorization.

3979843396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63090 (or 31545 counting only the distinct ones).

The product of its digits is 26453952, while the sum is 61.

The cubic root of 3979843396 is about 1584.7301760832.

The spelling of 3979843396 in words is "three billion, nine hundred seventy-nine million, eight hundred forty-three thousand, three hundred ninety-six".