381374 has 8 divisors (see below), whose sum is σ = 653808. Its totient is φ = 163440.

The previous prime is 381373. The next prime is 381377. The reversal of 381374 is 473183.

381374 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×381374² = 290892255752, which contains 22 as substring.

It is a plaindrome in base 15.

It is a zygodrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381371) 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, 13607 + ... + 13634.

It is an arithmetic number, because the mean of its divisors is an integer number (81726).

2³⁸¹³⁷⁴ is an apocalyptic number.

381374 is a deficient number, since it is larger than the sum of its proper divisors (272434).

381374 is a wasteful number, since it uses less digits than its factorization.

381374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27250.

The product of its digits is 2016, while the sum is 26.

The square root of 381374 is about 617.5548558630. The cubic root of 381374 is about 72.5187585230.

Subtracting 381374 from its reverse (473183), we obtain a square (91809 = 303²).

The spelling of 381374 in words is "three hundred eighty-one thousand, three hundred seventy-four".