3984877384 has 24 divisors (see below), whose sum is σ = 7912615410. Its totient is φ = 1874889984.

The previous prime is 3984877363. The next prime is 3984877409. The reversal of 3984877384 is 4837784893.

It can be written as a sum of positive squares in 3 ways, for example, as 2913624484 + 1071252900 = 53978^2 + 32730^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 733462 + ... + 738874.

Almost surely, 2^3984877384 is an apocalyptic number.

3984877384 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

3984877384 is a deficient number, since it is larger than the sum of its proper divisors (3927738026).

3984877384 is an frugal number, since it uses more digits than its factorization.

3984877384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10849 (or 5432 counting only the distinct ones).

The product of its digits is 32514048, while the sum is 61.

The square root of 3984877384 is about 63125.8852135952. The cubic root of 3984877384 is about 1585.3980542508.

The spelling of 3984877384 in words is "three billion, nine hundred eighty-four million, eight hundred seventy-seven thousand, three hundred eighty-four".