3831724138 has 8 divisors (see below), whose sum is σ = 6270094080. Its totient is φ = 1741692780.

The previous prime is 3831724121. The next prime is 3831724157. The reversal of 3831724138 is 8314271383.

It is a happy number.

3831724138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 3831724138.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87084618 + ... + 87084661.

It is an arithmetic number, because the mean of its divisors is an integer number (783761760).

Almost surely, 2^3831724138 is an apocalyptic number.

3831724138 is a deficient number, since it is larger than the sum of its proper divisors (2438369942).

3831724138 is a wasteful number, since it uses less digits than its factorization.

3831724138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174169292.

The product of its digits is 96768, while the sum is 40.

The square root of 3831724138 is about 61900.9219478999. The cubic root of 3831724138 is about 1564.8212853797.

The spelling of 3831724138 in words is "three billion, eight hundred thirty-one million, seven hundred twenty-four thousand, one hundred thirty-eight".