3834749872 has 20 divisors (see below), whose sum is σ = 7551630256. Its totient is φ = 1885942080.

The previous prime is 3834749869. The next prime is 3834749903. The reversal of 3834749872 is 2789474383.

It is an alternating number because its digits alternate between odd and even.

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, 1963548 + ... + 1965499.

Almost surely, 2^3834749872 is an apocalyptic number.

It is an amenable number.

3834749872 is a deficient number, since it is larger than the sum of its proper divisors (3716880384).

3834749872 is a wasteful number, since it uses less digits than its factorization.

3834749872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3929116 (or 3929110 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 55.

The square root of 3834749872 is about 61925.3572617874. The cubic root of 3834749872 is about 1565.2330658278.

The spelling of 3834749872 in words is "three billion, eight hundred thirty-four million, seven hundred forty-nine thousand, eight hundred seventy-two".