3987944284 has 48 divisors (see below), whose sum is σ = 7365980160. Its totient is φ = 1886633280.

The previous prime is 3987944267. The next prime is 3987944287. The reversal of 3987944284 is 4824497893.

It is a super-2 number, since 2×3987944284² = 31807399224576545312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3987944287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1439869 + ... + 1442635.

It is an arithmetic number, because the mean of its divisors is an integer number (153457920).

Almost surely, 2^3987944284 is an apocalyptic number.

It is an amenable number.

3987944284 is a deficient number, since it is larger than the sum of its proper divisors (3378035876).

3987944284 is a wasteful number, since it uses less digits than its factorization.

3987944284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3058 (or 3056 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 58.

The square root of 3987944284 is about 63150.1724779909. The cubic root of 3987944284 is about 1585.8046757492.

The spelling of 3987944284 in words is "three billion, nine hundred eighty-seven million, nine hundred forty-four thousand, two hundred eighty-four".