381773 has 4 divisors (see below), whose sum is σ = 436320. Its totient is φ = 327228.

The previous prime is 381761. The next prime is 381791. The reversal of 381773 is 377183.

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 381773 - 2⁴ = 381757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381713) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 27263 + ... + 27276.

It is an arithmetic number, because the mean of its divisors is an integer number (109080).

2³⁸¹⁷⁷³ is an apocalyptic number.

It is an amenable number.

381773 is a deficient number, since it is larger than the sum of its proper divisors (54547).

381773 is an equidigital number, since it uses as much as digits as its factorization.

381773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54546.

The product of its digits is 3528, while the sum is 29.

The square root of 381773 is about 617.8778196375. The cubic root of 381773 is about 72.5440398302.

The spelling of 381773 in words is "three hundred eighty-one thousand, seven hundred seventy-three".