381814 has 12 divisors (see below), whose sum is σ = 595764. Its totient is φ = 183512.

The previous prime is 381793. The next prime is 381817. The reversal of 381814 is 418183.

381814 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381817) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1569 + ... + 1795.

It is an arithmetic number, because the mean of its divisors is an integer number (49647).

2³⁸¹⁸¹⁴ is an apocalyptic number.

381814 is a deficient number, since it is larger than the sum of its proper divisors (213950).

381814 is a wasteful number, since it uses less digits than its factorization.

381814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287 (or 258 counting only the distinct ones).

The product of its digits is 768, while the sum is 25.

The square root of 381814 is about 617.9109968272. The cubic root of 381814 is about 72.5466366605.

Adding to 381814 its reverse (418183), we get a palindrome (799997).

The spelling of 381814 in words is "three hundred eighty-one thousand, eight hundred fourteen".