3928134834 has 24 divisors (see below), whose sum is σ = 9165648492. Its totient is φ = 1208656800.

The previous prime is 3928134823. The next prime is 3928134851. The reversal of 3928134834 is 4384318293.

3928134834 is a `hidden beast` number, since 3 + 92 + 81 + 3 + 483 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3030832809 + 897302025 = 55053^2 + 29955^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3928134834.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8393217 + ... + 8393684.

Almost surely, 2^3928134834 is an apocalyptic number.

3928134834 is an abundant number, since it is smaller than the sum of its proper divisors (5237513658).

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

3928134834 is a wasteful number, since it uses less digits than its factorization.

3928134834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16786922 (or 16786919 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 3928134834 is about 62674.8341361986. The cubic root of 3928134834 is about 1577.8369741994.

The spelling of 3928134834 in words is "three billion, nine hundred twenty-eight million, one hundred thirty-four thousand, eight hundred thirty-four".