798389 has 4 divisors (see below), whose sum is σ = 815424. Its totient is φ = 781356.

The previous prime is 798383. The next prime is 798397. The reversal of 798389 is 983897.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 983897 = 509 ⋅1933.

It is a cyclic number.

It is not a de Polignac number, because 798389 - 2⁴ = 798373 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 (798383) 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 3 ways as a sum of consecutive naturals, for example, 8447 + ... + 8540.

It is an arithmetic number, because the mean of its divisors is an integer number (203856).

2⁷⁹⁸³⁸⁹ is an apocalyptic number.

It is an amenable number.

798389 is a deficient number, since it is larger than the sum of its proper divisors (17035).

798389 is a wasteful number, since it uses less digits than its factorization.

798389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17034.

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

The square root of 798389 is about 893.5261607810. The cubic root of 798389 is about 92.7694214675.

The spelling of 798389 in words is "seven hundred ninety-eight thousand, three hundred eighty-nine".