389798 has 4 divisors (see below), whose sum is σ = 584700. Its totient is φ = 194898.

The previous prime is 389797. The next prime is 389819. The reversal of 389798 is 897983.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389791) 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 as a sum of consecutive naturals, namely, 97448 + ... + 97451.

It is an arithmetic number, because the mean of its divisors is an integer number (146175).

2³⁸⁹⁷⁹⁸ is an apocalyptic number.

389798 is a deficient number, since it is larger than the sum of its proper divisors (194902).

389798 is a wasteful number, since it uses less digits than its factorization.

389798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194901.

The product of its digits is 108864, while the sum is 44.

The square root of 389798 is about 624.3380494572. The cubic root of 389798 is about 73.0488195365.

The spelling of 389798 in words is "three hundred eighty-nine thousand, seven hundred ninety-eight".