3899749134 has 16 divisors (see below), whose sum is σ = 7887134160. Its totient is φ = 1285310400.

The previous prime is 3899749123. The next prime is 3899749141. The reversal of 3899749134 is 4319479983.

3899749134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 3650917 + ... + 3651984.

It is an arithmetic number, because the mean of its divisors is an integer number (492945885).

Almost surely, 2^3899749134 is an apocalyptic number.

3899749134 is an abundant number, since it is smaller than the sum of its proper divisors (3987385026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3899749134 is a wasteful number, since it uses less digits than its factorization.

3899749134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7302995.

The product of its digits is 5878656, while the sum is 57.

The square root of 3899749134 is about 62447.9714162118. The cubic root of 3899749134 is about 1574.0271656201.

The spelling of 3899749134 in words is "three billion, eight hundred ninety-nine million, seven hundred forty-nine thousand, one hundred thirty-four".