3884747138 has 8 divisors (see below), whose sum is σ = 5880580860. Its totient is φ = 1924553520.

The previous prime is 3884747117. The next prime is 3884747147. The reversal of 3884747138 is 8317474883.

It can be written as a sum of positive squares in 2 ways, for example, as 3883408489 + 1338649 = 62317^2 + 1157^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 3884747138.

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, 8909753 + ... + 8910188.

Almost surely, 2^3884747138 is an apocalyptic number.

3884747138 is a deficient number, since it is larger than the sum of its proper divisors (1995833722).

3884747138 is a wasteful number, since it uses less digits than its factorization.

3884747138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17820052.

The product of its digits is 3612672, while the sum is 53.

The square root of 3884747138 is about 62327.7397151541. The cubic root of 3884747138 is about 1572.0061899909.

The spelling of 3884747138 in words is "three billion, eight hundred eighty-four million, seven hundred forty-seven thousand, one hundred thirty-eight".