3899347138 has 16 divisors (see below), whose sum is σ = 5922060480. Its totient is φ = 1925347536.

The previous prime is 3899347093. The next prime is 3899347139. The reversal of 3899347138 is 8317439983.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3899347139) 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, 580483 + ... + 587161.

It is an arithmetic number, because the mean of its divisors is an integer number (370128780).

Almost surely, 2^3899347138 is an apocalyptic number.

3899347138 is a deficient number, since it is larger than the sum of its proper divisors (2022713342).

3899347138 is a wasteful number, since it uses less digits than its factorization.

3899347138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10281.

The product of its digits is 3919104, while the sum is 55.

The square root of 3899347138 is about 62444.7526858743. The cubic root of 3899347138 is about 1573.9730788617.

The spelling of 3899347138 in words is "three billion, eight hundred ninety-nine million, three hundred forty-seven thousand, one hundred thirty-eight".