3813871834 has 16 divisors (see below), whose sum is σ = 6113942208. Its totient is φ = 1777988032.

The previous prime is 3813871801. The next prime is 3813871837. The reversal of 3813871834 is 4381783183.

It is not an unprimeable number, because it can be changed into a prime (3813871837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 520534 + ... + 527809.

It is an arithmetic number, because the mean of its divisors is an integer number (382121388).

Almost surely, 2^3813871834 is an apocalyptic number.

3813871834 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

3813871834 is a deficient number, since it is larger than the sum of its proper divisors (2300070374).

3813871834 is a wasteful number, since it uses less digits than its factorization.

3813871834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048469.

The product of its digits is 387072, while the sum is 46.

The square root of 3813871834 is about 61756.5529640378. The cubic root of 3813871834 is about 1562.3872929392.

The spelling of 3813871834 in words is "three billion, eight hundred thirteen million, eight hundred seventy-one thousand, eight hundred thirty-four".