3874994784 has 36 divisors (see below), whose sum is σ = 11019517236. Its totient is φ = 1291664832.

The previous prime is 3874994771. The next prime is 3874994869. The reversal of 3874994784 is 4874994783.

3874994784 is a `hidden beast` number, since 3 + 8 + 74 + 99 + 478 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 6727134 + ... + 6727709.

It is an arithmetic number, because the mean of its divisors is an integer number (306097701).

Almost surely, 2^3874994784 is an apocalyptic number.

It is an amenable number.

3874994784 is an abundant number, since it is smaller than the sum of its proper divisors (7144522452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3874994784 is a wasteful number, since it uses less digits than its factorization.

3874994784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13454859 (or 13454848 counting only the distinct ones).

The product of its digits is 48771072, while the sum is 63.

The square root of 3874994784 is about 62249.4560940094. The cubic root of 3874994784 is about 1570.6896214452.

Subtracting 3874994784 from its reverse (4874994783), we obtain a palindrome (999999999).

The spelling of 3874994784 in words is "three billion, eight hundred seventy-four million, nine hundred ninety-four thousand, seven hundred eighty-four".