798784 has 28 divisors (see below), whose sum is σ = 1812544. Its totient is φ = 342144.

The previous prime is 798781. The next prime is 798799. The reversal of 798784 is 487897.

It is a tau number, because it is divible by the number of its divisors (28).

Its product of digits (112896) is a multiple of the sum of its prime divisors (1792).

It is a self number, because there is not a number n which added to its sum of digits gives 798784.

It is not an unprimeable number, because it can be changed into a prime (798781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 444 + ... + 1339.

2⁷⁹⁸⁷⁸⁴ is an apocalyptic number.

It is an amenable number.

798784 is an abundant number, since it is smaller than the sum of its proper divisors (1013760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

798784 is a wasteful number, since it uses less digits than its factorization.

798784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1802 (or 1792 counting only the distinct ones).

The product of its digits is 112896, while the sum is 43.

The square root of 798784 is about 893.7471678277. The cubic root of 798784 is about 92.7847180543.

The spelling of 798784 in words is "seven hundred ninety-eight thousand, seven hundred eighty-four".