389828423 has 4 divisors (see below), whose sum is σ = 394763040. Its totient is φ = 384893808.

The previous prime is 389828393. The next prime is 389828429. The reversal of 389828423 is 324828983.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 389828423 - 2⁸ = 389828167 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 (389828429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2467190 + ... + 2467347.

It is an arithmetic number, because the mean of its divisors is an integer number (98690760).

Almost surely, 2^389828423 is an apocalyptic number.

389828423 is a deficient number, since it is larger than the sum of its proper divisors (4934617).

389828423 is an equidigital number, since it uses as much as digits as its factorization.

389828423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4934616.

The product of its digits is 663552, while the sum is 47.

The square root of 389828423 is about 19744.0731106831. The cubic root of 389828423 is about 730.5071992804.

The spelling of 389828423 in words is "three hundred eighty-nine million, eight hundred twenty-eight thousand, four hundred twenty-three".