381044 has 6 divisors (see below), whose sum is σ = 666834. Its totient is φ = 190520.

The previous prime is 381037. The next prime is 381047. The reversal of 381044 is 440183.

It can be written as a sum of positive squares in only one way, i.e., 250000 + 131044 = 500^2 + 362^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47627 + ... + 47634.

It is an arithmetic number, because the mean of its divisors is an integer number (111139).

2³⁸¹⁰⁴⁴ is an apocalyptic number.

It is an amenable number.

381044 is a deficient number, since it is larger than the sum of its proper divisors (285790).

381044 is a wasteful number, since it uses less digits than its factorization.

381044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95265 (or 95263 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 381044 is about 617.2876152978. The cubic root of 381044 is about 72.4978358450.

The spelling of 381044 in words is "three hundred eighty-one thousand, forty-four".