3781283984 has 20 divisors (see below), whose sum is σ = 7347361584. Its totient is φ = 1885190688.

The previous prime is 3781283983. The next prime is 3781284029. The reversal of 3781283984 is 4893821873.

It is not an unprimeable number, because it can be changed into a prime (3781283983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 334982 + ... + 346085.

Almost surely, 2^3781283984 is an apocalyptic number.

It is an amenable number.

3781283984 is a deficient number, since it is larger than the sum of its proper divisors (3566077600).

3781283984 is a wasteful number, since it uses less digits than its factorization.

3781283984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681422 (or 681416 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 53.

The square root of 3781283984 is about 61492.1457098384. The cubic root of 3781283984 is about 1557.9245883490.

The spelling of 3781283984 in words is "three billion, seven hundred eighty-one million, two hundred eighty-three thousand, nine hundred eighty-four".