798243 has 4 divisors (see below), whose sum is σ = 1064328. Its totient is φ = 532160.

The previous prime is 798227. The next prime is 798251. The reversal of 798243 is 342897.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342897 = 3 ⋅114299.

It is a cyclic number.

It is not a de Polignac number, because 798243 - 2⁴ = 798227 is a prime.

It is a D-number.

798243 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (798223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133038 + ... + 133043.

It is an arithmetic number, because the mean of its divisors is an integer number (266082).

2⁷⁹⁸²⁴³ is an apocalyptic number.

798243 is a deficient number, since it is larger than the sum of its proper divisors (266085).

798243 is a wasteful number, since it uses less digits than its factorization.

798243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266084.

The product of its digits is 12096, while the sum is 33.

The square root of 798243 is about 893.4444582625. Note that the first 4 decimals coincide. The cubic root of 798243 is about 92.7637662621.

The spelling of 798243 in words is "seven hundred ninety-eight thousand, two hundred forty-three".