381941 has 4 divisors (see below), whose sum is σ = 436512. Its totient is φ = 327372.

The previous prime is 381937. The next prime is 381943. The reversal of 381941 is 149183.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 381941 - 2² = 381937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 381941.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 381941.

It is not an unprimeable number, because it can be changed into a prime (381943) 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, 27275 + ... + 27288.

It is an arithmetic number, because the mean of its divisors is an integer number (109128).

2³⁸¹⁹⁴¹ is an apocalyptic number.

It is an amenable number.

381941 is a deficient number, since it is larger than the sum of its proper divisors (54571).

381941 is an equidigital number, since it uses as much as digits as its factorization.

381941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54570.

The product of its digits is 864, while the sum is 26.

The square root of 381941 is about 618.0137538923. The cubic root of 381941 is about 72.5546793214.

The spelling of 381941 in words is "three hundred eighty-one thousand, nine hundred forty-one".