380389 has 4 divisors (see below), whose sum is σ = 385056. Its totient is φ = 375724.

The previous prime is 380383. The next prime is 380417. The reversal of 380389 is 983083.

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 380389 - 2⁹ = 379877 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 380389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380383) 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, 2209 + ... + 2374.

It is an arithmetic number, because the mean of its divisors is an integer number (96264).

2³⁸⁰³⁸⁹ is an apocalyptic number.

It is an amenable number.

380389 is a deficient number, since it is larger than the sum of its proper divisors (4667).

380389 is an equidigital number, since it uses as much as digits as its factorization.

380389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4666.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 380389 is about 616.7568402539. The cubic root of 380389 is about 72.4562716885.

The spelling of 380389 in words is "three hundred eighty thousand, three hundred eighty-nine".