799788 has 48 divisors (see below), whose sum is σ = 2088576. Its totient is φ = 236160.

The previous prime is 799759. The next prime is 799789. The reversal of 799788 is 887997.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 799788.

It is not an unprimeable number, because it can be changed into a prime (799789) by changing a digit.

799788 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 15 ways as a sum of consecutive naturals, for example, 9595 + ... + 9677.

It is an arithmetic number, because the mean of its divisors is an integer number (43512).

2⁷⁹⁹⁷⁸⁸ 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 799788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1044288).

799788 is an abundant number, since it is smaller than the sum of its proper divisors (1288788).

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

799788 is a wasteful number, since it uses less digits than its factorization.

799788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174 (or 172 counting only the distinct ones).

The product of its digits is 254016, while the sum is 48.

The square root of 799788 is about 894.3086715447. The cubic root of 799788 is about 92.8235758075.

Subtracting 799788 from its reverse (887997), we obtain a square (88209 = 297²).

The spelling of 799788 in words is "seven hundred ninety-nine thousand, seven hundred eighty-eight".