798580 has 12 divisors (see below), whose sum is σ = 1677060. Its totient is φ = 319424.

The previous prime is 798569. The next prime is 798599. The reversal of 798580 is 85897.

It can be written as a sum of positive squares in 2 ways, for example, as 242064 + 556516 = 492^2 + 746^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19945 + ... + 19984.

It is an arithmetic number, because the mean of its divisors is an integer number (139755).

2⁷⁹⁸⁵⁸⁰ is an apocalyptic number.

It is an amenable number.

798580 is an abundant number, since it is smaller than the sum of its proper divisors (878480).

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

798580 is a wasteful number, since it uses less digits than its factorization.

798580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39938 (or 39936 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 798580 is about 893.6330343044. The cubic root of 798580 is about 92.7768186747.

It can be divided in two parts, 798 and 580, that added together give a triangular number (1378 = T₅₂).

The spelling of 798580 in words is "seven hundred ninety-eight thousand, five hundred eighty".