389499 has 24 divisors (see below), whose sum is σ = 606480. Its totient is φ = 221760.

The previous prime is 389483. The next prime is 389507. The reversal of 389499 is 994983.

It is not a de Polignac number, because 389499 - 2⁴ = 389483 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 389499.

It is not an unprimeable number, because it can be changed into a prime (389479) 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 23 ways as a sum of consecutive naturals, for example, 10509 + ... + 10545.

It is an arithmetic number, because the mean of its divisors is an integer number (25270).

2³⁸⁹⁴⁹⁹ is an apocalyptic number.

389499 is a deficient number, since it is larger than the sum of its proper divisors (216981).

389499 is a wasteful number, since it uses less digits than its factorization.

389499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91 (or 80 counting only the distinct ones).

The product of its digits is 69984, while the sum is 42.

The square root of 389499 is about 624.0985499102. The cubic root of 389499 is about 73.0301370531.

It can be divided in two parts, 3894 and 99, that added together give a palindrome (3993).

The spelling of 389499 in words is "three hundred eighty-nine thousand, four hundred ninety-nine".