381744344 has 16 divisors (see below), whose sum is σ = 727505520. Its totient is φ = 187742880.

The previous prime is 381744289. The next prime is 381744361. The reversal of 381744344 is 443447183.

It is a junction number, because it is equal to n+sod(n) for n = 381744298 and 381744307.

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, 390644 + ... + 391619.

It is an arithmetic number, because the mean of its divisors is an integer number (45469095).

Almost surely, 2^381744344 is an apocalyptic number.

It is an amenable number.

381744344 is a deficient number, since it is larger than the sum of its proper divisors (345761176).

381744344 is a wasteful number, since it uses less digits than its factorization.

381744344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782330 (or 782326 counting only the distinct ones).

The product of its digits is 129024, while the sum is 38.

The square root of 381744344 is about 19538.2789416059. The cubic root of 381744344 is about 725.4222472536.

The spelling of 381744344 in words is "three hundred eighty-one million, seven hundred forty-four thousand, three hundred forty-four".