798539 has 4 divisors (see below), whose sum is σ = 912624. Its totient is φ = 684456.

The previous prime is 798533. The next prime is 798569. The reversal of 798539 is 935897.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 935897 = 199 ⋅4703.

It is a cyclic number.

It is not a de Polignac number, because 798539 - 2¹⁶ = 733003 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 798496 and 798505.

It is not an unprimeable number, because it can be changed into a prime (798533) 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, 57032 + ... + 57045.

It is an arithmetic number, because the mean of its divisors is an integer number (228156).

2⁷⁹⁸⁵³⁹ is an apocalyptic number.

798539 is a deficient number, since it is larger than the sum of its proper divisors (114085).

798539 is a wasteful number, since it uses less digits than its factorization.

798539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114084.

The product of its digits is 68040, while the sum is 41.

The square root of 798539 is about 893.6100939448. The cubic root of 798539 is about 92.7752308920.

The spelling of 798539 in words is "seven hundred ninety-eight thousand, five hundred thirty-nine".