376381 has 4 divisors (see below), whose sum is σ = 380700. Its totient is φ = 372064.

The previous prime is 376373. The next prime is 376393. The reversal of 376381 is 183673.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 260100 + 116281 = 510^2 + 341^2 .

It is a cyclic number.

It is not a de Polignac number, because 376381 - 2³ = 376373 is a prime.

It is a super-2 number, since 2×376381² = 283325314322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (376351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2026 + ... + 2203.

It is an arithmetic number, because the mean of its divisors is an integer number (95175).

2³⁷⁶³⁸¹ is an apocalyptic number.

It is an amenable number.

376381 is a deficient number, since it is larger than the sum of its proper divisors (4319).

376381 is an equidigital number, since it uses as much as digits as its factorization.

376381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4318.

The product of its digits is 3024, while the sum is 28.

The square root of 376381 is about 613.4989812542. The cubic root of 376381 is about 72.2008921450.

It can be divided in two parts, 3763 and 81, that added together give a square (3844 = 62²).

The spelling of 376381 in words is "three hundred seventy-six thousand, three hundred eighty-one".