381067 has 4 divisors (see below), whose sum is σ = 387376. Its totient is φ = 374760.

The previous prime is 381061. The next prime is 381071. The reversal of 381067 is 760183.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-381067 is a prime.

It is a Duffinian number.

381067 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (381061) 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, 3063 + ... + 3184.

It is an arithmetic number, because the mean of its divisors is an integer number (96844).

2³⁸¹⁰⁶⁷ is an apocalyptic number.

381067 is a deficient number, since it is larger than the sum of its proper divisors (6309).

381067 is an equidigital number, since it uses as much as digits as its factorization.

381067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6308.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 381067 is about 617.3062449060. The cubic root of 381067 is about 72.4992944838.

The spelling of 381067 in words is "three hundred eighty-one thousand, sixty-seven".