798159 has 4 divisors (see below), whose sum is σ = 1064216. Its totient is φ = 532104.

The previous prime is 798151. The next prime is 798173. The reversal of 798159 is 951897.

It is a happy number.

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

It is not a de Polignac number, because 798159 - 2³ = 798151 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (798151) 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, 133024 + ... + 133029.

It is an arithmetic number, because the mean of its divisors is an integer number (266054).

2⁷⁹⁸¹⁵⁹ is an apocalyptic number.

798159 is a deficient number, since it is larger than the sum of its proper divisors (266057).

798159 is a wasteful number, since it uses less digits than its factorization.

798159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266056.

The product of its digits is 22680, while the sum is 39.

The square root of 798159 is about 893.3974479480. The cubic root of 798159 is about 92.7605122698.

The spelling of 798159 in words is "seven hundred ninety-eight thousand, one hundred fifty-nine".