979281 has 12 divisors (see below), whose sum is σ = 1441908. Its totient is φ = 640224.

The previous prime is 979273. The next prime is 979283. The reversal of 979281 is 182979.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 608400 + 370881 = 780^2 + 609^2 .

It is not a de Polignac number, because 979281 - 2³ = 979273 is a prime.

It is a super-2 number, since 2×979281² = 1917982553922, which contains 22 as substring.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 979281.

It is not an unprimeable number, because it can be changed into a prime (979283) 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 11 ways as a sum of consecutive naturals, for example, 550 + ... + 1503.

It is an arithmetic number, because the mean of its divisors is an integer number (120159).

2⁹⁷⁹²⁸¹ is an apocalyptic number.

It is an amenable number.

979281 is a deficient number, since it is larger than the sum of its proper divisors (462627).

979281 is a wasteful number, since it uses less digits than its factorization.

979281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2112 (or 2109 counting only the distinct ones).

The product of its digits is 9072, while the sum is 36.

The square root of 979281 is about 989.5862771886. The cubic root of 979281 is about 99.3045412502.

The spelling of 979281 in words is "nine hundred seventy-nine thousand, two hundred eighty-one".