380243 has 4 divisors (see below), whose sum is σ = 381480. Its totient is φ = 379008.

The previous prime is 380231. The next prime is 380251. The reversal of 380243 is 342083.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 342083 = 7 ⋅48869.

It is a cyclic number.

It is not a de Polignac number, because 380243 - 2⁶ = 380179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (380203) 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, 248 + ... + 906.

It is an arithmetic number, because the mean of its divisors is an integer number (95370).

2³⁸⁰²⁴³ is an apocalyptic number.

380243 is a deficient number, since it is larger than the sum of its proper divisors (1237).

380243 is an equidigital number, since it uses as much as digits as its factorization.

380243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 380243 is about 616.6384678237. The cubic root of 380243 is about 72.4470005044.

The spelling of 380243 in words is "three hundred eighty thousand, two hundred forty-three".