381922 has 16 divisors (see below), whose sum is σ = 622080. Its totient is φ = 175168.

The previous prime is 381917. The next prime is 381937. The reversal of 381922 is 229183.

381922 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

381922 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1479 + ... + 1717.

It is an arithmetic number, because the mean of its divisors is an integer number (38880).

2³⁸¹⁹²² is an apocalyptic number.

381922 is a deficient number, since it is larger than the sum of its proper divisors (240158).

381922 is a wasteful number, since it uses less digits than its factorization.

381922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305.

The product of its digits is 864, while the sum is 25.

The square root of 381922 is about 617.9983818749. The cubic root of 381922 is about 72.5534762021.

The spelling of 381922 in words is "three hundred eighty-one thousand, nine hundred twenty-two".