979169 has 4 divisors (see below), whose sum is σ = 981444. Its totient is φ = 976896.

The previous prime is 979163. The next prime is 979171. The reversal of 979169 is 961979.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 960400 + 18769 = 980^2 + 137^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-979169 is a prime.

It is a super-2 number, since 2×979169² = 1917543861122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 979169.

It is not an unprimeable number, because it can be changed into a prime (979163) 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, 272 + ... + 1425.

It is an arithmetic number, because the mean of its divisors is an integer number (245361).

2⁹⁷⁹¹⁶⁹ is an apocalyptic number.

It is an amenable number.

979169 is a deficient number, since it is larger than the sum of its proper divisors (2275).

979169 is a wasteful number, since it uses less digits than its factorization.

979169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2274.

The product of its digits is 30618, while the sum is 41.

The square root of 979169 is about 989.5296862651. The cubic root of 979169 is about 99.3007552982.

The spelling of 979169 in words is "nine hundred seventy-nine thousand, one hundred sixty-nine".