798728 has 32 divisors (see below), whose sum is σ = 1814400. Its totient is φ = 321792.

The previous prime is 798727. The next prime is 798737. The reversal of 798728 is 827897.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (798727) 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 7 ways as a sum of consecutive naturals, for example, 533 + ... + 1371.

It is an arithmetic number, because the mean of its divisors is an integer number (56700).

2⁷⁹⁸⁷²⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 798728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (907200).

798728 is an abundant number, since it is smaller than the sum of its proper divisors (1015672).

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

798728 is a wasteful number, since it uses less digits than its factorization.

798728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869 (or 865 counting only the distinct ones).

The product of its digits is 56448, while the sum is 41.

The square root of 798728 is about 893.7158385080. The cubic root of 798728 is about 92.7825497311.

The spelling of 798728 in words is "seven hundred ninety-eight thousand, seven hundred twenty-eight".