3881744428 has 12 divisors (see below), whose sum is σ = 6894442072. Its totient is φ = 1911903840.

The previous prime is 3881744411. The next prime is 3881744443. The reversal of 3881744428 is 8244471883.

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, 7241793 + ... + 7242328.

Almost surely, 2^3881744428 is an apocalyptic number.

It is an amenable number.

3881744428 is a deficient number, since it is larger than the sum of its proper divisors (3012697644).

3881744428 is a wasteful number, since it uses less digits than its factorization.

3881744428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14484192 (or 14484190 counting only the distinct ones).

The product of its digits is 1376256, while the sum is 49.

The square root of 3881744428 is about 62303.6469879573. The cubic root of 3881744428 is about 1571.6010589112.

The spelling of 3881744428 in words is "three billion, eight hundred eighty-one million, seven hundred forty-four thousand, four hundred twenty-eight".