797988 has 12 divisors (see below), whose sum is σ = 1862000. Its totient is φ = 265992.

The previous prime is 797987. The next prime is 798023. The reversal of 797988 is 889797.

797988 is nontrivially palindromic in base 11.

It is a tau number, because it is divible by the number of its divisors (12).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 797988.

It is not an unprimeable number, because it can be changed into a prime (797987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33238 + ... + 33261.

2⁷⁹⁷⁹⁸⁸ is an apocalyptic number.

It is an amenable number.

797988 is an abundant number, since it is smaller than the sum of its proper divisors (1064012).

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

797988 is a wasteful number, since it uses less digits than its factorization.

797988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66506 (or 66504 counting only the distinct ones).

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

The square root of 797988 is about 893.3017407349. The cubic root of 797988 is about 92.7538873657.

Subtracting 797988 from its reverse (889797), we obtain a square (91809 = 303²).

The spelling of 797988 in words is "seven hundred ninety-seven thousand, nine hundred eighty-eight".