3988238679 has 6 divisors (see below), whose sum is σ = 5760789216. Its totient is φ = 2658825780.

The previous prime is 3988238651. The next prime is 3988238689. The reversal of 3988238679 is 9768328893.

3988238679 is a `hidden beast` number, since 398 + 8 + 238 + 6 + 7 + 9 = 666.

It is not a de Polignac number, because 3988238679 - 2¹¹ = 3988236631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3988238609) 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, 221568807 + ... + 221568824.

It is an arithmetic number, because the mean of its divisors is an integer number (960131536).

Almost surely, 2^3988238679 is an apocalyptic number.

3988238679 is a deficient number, since it is larger than the sum of its proper divisors (1772550537).

3988238679 is a wasteful number, since it uses less digits than its factorization.

3988238679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443137637 (or 443137634 counting only the distinct ones).

The product of its digits is 31352832, while the sum is 63.

The square root of 3988238679 is about 63152.5033470566. The cubic root of 3988238679 is about 1585.8436968126.

The spelling of 3988238679 in words is "three billion, nine hundred eighty-eight million, two hundred thirty-eight thousand, six hundred seventy-nine".