3828391876 has 9 divisors (see below), whose sum is σ = 6699902349. Its totient is φ = 1914134064.

The previous prime is 3828391873. The next prime is 3828391943. The reversal of 3828391876 is 6781938283.

The square root of 3828391876 is 61874.

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

It can be written as a sum of positive squares in only one way, i.e., 443944900 + 3384446976 = 21070^2 + 58176^2 .

It is a super-3 number, since 3×3828391876³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3828391873) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 108280 + ... + 139216.

Almost surely, 2^3828391876 is an apocalyptic number.

3828391876 is the 61874-th square number.

It is an amenable number.

3828391876 is a deficient number, since it is larger than the sum of its proper divisors (2871510473).

3828391876 is an frugal number, since it uses more digits than its factorization.

3828391876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61878 (or 30939 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 55.

The cubic root of 3828391876 is about 1564.3675377876.

The spelling of 3828391876 in words is "three billion, eight hundred twenty-eight million, three hundred ninety-one thousand, eight hundred seventy-six".