798780 has 24 divisors (see below), whose sum is σ = 2236752. Its totient is φ = 212992.

The previous prime is 798773. The next prime is 798781. The reversal of 798780 is 87897.

798780 is nontrivially palindromic in base 16.

It is a zygodrome in base 2.

It is a congruent number.

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

798780 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6597 + ... + 6716.

It is an arithmetic number, because the mean of its divisors is an integer number (93198).

2⁷⁹⁸⁷⁸⁰ is an apocalyptic number.

It is an amenable number.

798780 is an abundant number, since it is smaller than the sum of its proper divisors (1437972).

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

798780 is a wasteful number, since it uses less digits than its factorization.

798780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13325 (or 13323 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 39.

The square root of 798780 is about 893.7449300556. The cubic root of 798780 is about 92.7845631774.

The spelling of 798780 in words is "seven hundred ninety-eight thousand, seven hundred eighty".