3928734474 has 64 divisors (see below), whose sum is σ = 9202305024. Its totient is φ = 1094780736.

The previous prime is 3928734457. The next prime is 3928734499. The reversal of 3928734474 is 4744378293.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1774192 + ... + 1776404.

It is an arithmetic number, because the mean of its divisors is an integer number (143786016).

Almost surely, 2^3928734474 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3928734474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4601152512).

3928734474 is an abundant number, since it is smaller than the sum of its proper divisors (5273570550).

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

3928734474 is a wasteful number, since it uses less digits than its factorization.

3928734474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3251.

The product of its digits is 4064256, while the sum is 51.

The square root of 3928734474 is about 62679.6176918781. The cubic root of 3928734474 is about 1577.9172570871.

The spelling of 3928734474 in words is "three billion, nine hundred twenty-eight million, seven hundred thirty-four thousand, four hundred seventy-four".