797559 has 16 divisors (see below), whose sum is σ = 1228032. Its totient is φ = 451008.

The previous prime is 797557. The next prime is 797561. The reversal of 797559 is 955797.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (797557) and next prime (797561).

It is not a de Polignac number, because 797559 - 2¹ = 797557 is a prime.

It is a super-2 number, since 2×797559² = 1272200716962, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 797559.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (797551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3307 + ... + 3539.

It is an arithmetic number, because the mean of its divisors is an integer number (76752).

2⁷⁹⁷⁵⁵⁹ is an apocalyptic number.

797559 is a deficient number, since it is larger than the sum of its proper divisors (430473).

797559 is a wasteful number, since it uses less digits than its factorization.

797559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406.

The product of its digits is 99225, while the sum is 42.

The square root of 797559 is about 893.0615880218. The cubic root of 797559 is about 92.7372628257.

The spelling of 797559 in words is "seven hundred ninety-seven thousand, five hundred fifty-nine".