383859 has 20 divisors (see below), whose sum is σ = 656304. Its totient is φ = 219024.

The previous prime is 383839. The next prime is 383869. The reversal of 383859 is 958383.

It is not a de Polignac number, because 383859 - 2⁹ = 383347 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 (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 229 + ... + 905.

2³⁸³⁸⁵⁹ is an apocalyptic number.

383859 is a deficient number, since it is larger than the sum of its proper divisors (272445).

383859 is an equidigital number, since it uses as much as digits as its factorization.

383859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696 (or 687 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 383859 is about 619.5635560618. The cubic root of 383859 is about 72.6759263046.

The spelling of 383859 in words is "three hundred eighty-three thousand, eight hundred fifty-nine".