381479344 has 20 divisors (see below), whose sum is σ = 740733840. Its totient is φ = 190322240.

The previous prime is 381479333. The next prime is 381479347. The reversal of 381479344 is 443974183.

It is a self number, because there is not a number n which added to its sum of digits gives 381479344.

It is not an unprimeable number, because it can be changed into a prime (381479347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18484 + ... + 33235.

It is an arithmetic number, because the mean of its divisors is an integer number (37036692).

Almost surely, 2^381479344 is an apocalyptic number.

It is an amenable number.

381479344 is a deficient number, since it is larger than the sum of its proper divisors (359254496).

381479344 is a wasteful number, since it uses less digits than its factorization.

381479344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52188 (or 52182 counting only the distinct ones).

The product of its digits is 290304, while the sum is 43.

The square root of 381479344 is about 19531.4962048482. The cubic root of 381479344 is about 725.2543500748.

The spelling of 381479344 in words is "three hundred eighty-one million, four hundred seventy-nine thousand, three hundred forty-four".