383889 has 8 divisors (see below), whose sum is σ = 558432. Its totient is φ = 232640.

The previous prime is 383869. The next prime is 383891. The reversal of 383889 is 988383.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 383889 - 2⁸ = 383633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (383839) 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 7 ways as a sum of consecutive naturals, for example, 5784 + ... + 5849.

It is an arithmetic number, because the mean of its divisors is an integer number (69804).

2³⁸³⁸⁸⁹ is an apocalyptic number.

It is an amenable number.

383889 is a deficient number, since it is larger than the sum of its proper divisors (174543).

383889 is a wasteful number, since it uses less digits than its factorization.

383889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11647.

The product of its digits is 41472, while the sum is 39.

The square root of 383889 is about 619.5877661801. The cubic root of 383889 is about 72.6778195527.

The spelling of 383889 in words is "three hundred eighty-three thousand, eight hundred eighty-nine".