3838881772 has 24 divisors (see below), whose sum is σ = 7372673280. Its totient is φ = 1734494160.

The previous prime is 3838881763. The next prime is 3838881799. The reversal of 3838881772 is 2771888383.

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, 253872 + ... + 268567.

It is an arithmetic number, because the mean of its divisors is an integer number (307194720).

Almost surely, 2^3838881772 is an apocalyptic number.

It is an amenable number.

3838881772 is a deficient number, since it is larger than the sum of its proper divisors (3533791508).

3838881772 is a wasteful number, since it uses less digits than its factorization.

3838881772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522621 (or 522619 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 55.

The square root of 3838881772 is about 61958.7102189837. The cubic root of 3838881772 is about 1565.7950377308.

The spelling of 3838881772 in words is "three billion, eight hundred thirty-eight million, eight hundred eighty-one thousand, seven hundred seventy-two".