383389 has 4 divisors (see below), whose sum is σ = 386080. Its totient is φ = 380700.

The previous prime is 383371. The next prime is 383393. The reversal of 383389 is 983383.

It is a happy number.

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 383389 - 2⁷ = 383261 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 (383399) 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, 1119 + ... + 1420.

It is an arithmetic number, because the mean of its divisors is an integer number (96520).

2³⁸³³⁸⁹ is an apocalyptic number.

It is an amenable number.

383389 is a deficient number, since it is larger than the sum of its proper divisors (2691).

383389 is a wasteful number, since it uses less digits than its factorization.

383389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2690.

The product of its digits is 15552, while the sum is 34.

The square root of 383389 is about 619.1841406238. The cubic root of 383389 is about 72.6462525305.

The spelling of 383389 in words is "three hundred eighty-three thousand, three hundred eighty-nine".