798459 has 4 divisors (see below), whose sum is σ = 1064616. Its totient is φ = 532304.

The previous prime is 798451. The next prime is 798461. The reversal of 798459 is 954897.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 954897 = 3 ⋅318299.

It is a cyclic number.

It is not a de Polignac number, because 798459 - 2³ = 798451 is a prime.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 798459.

It is not an unprimeable number, because it can be changed into a prime (798451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133074 + ... + 133079.

It is an arithmetic number, because the mean of its divisors is an integer number (266154).

2⁷⁹⁸⁴⁵⁹ is an apocalyptic number.

798459 is a deficient number, since it is larger than the sum of its proper divisors (266157).

798459 is a wasteful number, since it uses less digits than its factorization.

798459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266156.

The product of its digits is 90720, while the sum is 42.

The square root of 798459 is about 893.5653305719. The cubic root of 798459 is about 92.7721326228.

The spelling of 798459 in words is "seven hundred ninety-eight thousand, four hundred fifty-nine".