381112 has 8 divisors (see below), whose sum is σ = 714600. Its totient is φ = 190552.

The previous prime is 381103. The next prime is 381167. The reversal of 381112 is 211183.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23812 + ... + 23827.

It is an arithmetic number, because the mean of its divisors is an integer number (89325).

2³⁸¹¹¹² is an apocalyptic number.

It is an amenable number.

381112 is a deficient number, since it is larger than the sum of its proper divisors (333488).

381112 is a wasteful number, since it uses less digits than its factorization.

381112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47645 (or 47641 counting only the distinct ones).

The product of its digits is 48, while the sum is 16.

The square root of 381112 is about 617.3426925136. The cubic root of 381112 is about 72.5021481726.

Adding to 381112 its reverse (211183), we get a palindrome (592295).

The spelling of 381112 in words is "three hundred eighty-one thousand, one hundred twelve".