798791 has 4 divisors (see below), whose sum is σ = 912912. Its totient is φ = 684672.

The previous prime is 798781. The next prime is 798799. The reversal of 798791 is 197897.

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

It is a cyclic number.

It is not a de Polignac number, because 798791 - 2⁶ = 798727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (798799) 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, 57050 + ... + 57063.

It is an arithmetic number, because the mean of its divisors is an integer number (228228).

2⁷⁹⁸⁷⁹¹ is an apocalyptic number.

798791 is a deficient number, since it is larger than the sum of its proper divisors (114121).

798791 is a wasteful number, since it uses less digits than its factorization.

798791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114120.

The product of its digits is 31752, while the sum is 41.

The square root of 798791 is about 893.7510839154. The cubic root of 798791 is about 92.7849890876.

The spelling of 798791 in words is "seven hundred ninety-eight thousand, seven hundred ninety-one".