381464884 has 12 divisors (see below), whose sum is σ = 669231108. Its totient is φ = 190256000.

The previous prime is 381464873. The next prime is 381464899. The reversal of 381464884 is 488464183.

381464884 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 231891984 + 149572900 = 15228^2 + 12230^2 .

It is a congruent number.

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, 117307 + ... + 120514.

It is an arithmetic number, because the mean of its divisors is an integer number (55769259).

Almost surely, 2^381464884 is an apocalyptic number.

It is an amenable number.

381464884 is a deficient number, since it is larger than the sum of its proper divisors (287766224).

381464884 is a wasteful number, since it uses less digits than its factorization.

381464884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238226 (or 238224 counting only the distinct ones).

The product of its digits is 589824, while the sum is 46.

The square root of 381464884 is about 19531.1260300066. The cubic root of 381464884 is about 725.2451863542.

The spelling of 381464884 in words is "three hundred eighty-one million, four hundred sixty-four thousand, eight hundred eighty-four".