959797 has 4 divisors (see below), whose sum is σ = 961996. Its totient is φ = 957600.

The previous prime is 959779. The next prime is 959801. The reversal of 959797 is 797959.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 797959 = 409 ⋅1951.

It can be written as a sum of positive squares in 2 ways, for example, as 505521 + 454276 = 711^2 + 674^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-959797 is a prime.

It is a Duffinian number.

959797 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (959737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198 + ... + 1399.

It is an arithmetic number, because the mean of its divisors is an integer number (240499).

2⁹⁵⁹⁷⁹⁷ is an apocalyptic number.

It is an amenable number.

959797 is a deficient number, since it is larger than the sum of its proper divisors (2199).

959797 is a wasteful number, since it uses less digits than its factorization.

959797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2198.

The product of its digits is 178605, while the sum is 46.

The square root of 959797 is about 979.6922986326. The cubic root of 959797 is about 98.6415291351.

The spelling of 959797 in words is "nine hundred fifty-nine thousand, seven hundred ninety-seven".