797969 has 4 divisors (see below), whose sum is σ = 809280. Its totient is φ = 786660.

The previous prime is 797957. The next prime is 797977. The reversal of 797969 is 969797.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-797969 is a prime.

It is a super-2 number, since 2×797969² = 1273509049922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (797569) 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, 5549 + ... + 5690.

It is an arithmetic number, because the mean of its divisors is an integer number (202320).

2⁷⁹⁷⁹⁶⁹ is an apocalyptic number.

It is an amenable number.

797969 is a deficient number, since it is larger than the sum of its proper divisors (11311).

797969 is a wasteful number, since it uses less digits than its factorization.

797969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11310.

The product of its digits is 214326, while the sum is 47.

The square root of 797969 is about 893.2911059671. The cubic root of 797969 is about 92.7531512069.

The spelling of 797969 in words is "seven hundred ninety-seven thousand, nine hundred sixty-nine".