279427441 has 8 divisors (see below), whose sum is σ = 296876520. Its totient is φ = 262499328.

The previous prime is 279427439. The next prime is 279427469. The reversal of 279427441 is 144724972.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 108576400 + 170851041 = 10420^2 + 13071^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 279427441 - 2¹ = 279427439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 279427394 and 279427403.

It is not an unprimeable number, because it can be changed into a prime (279427241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129136 + ... + 131281.

It is an arithmetic number, because the mean of its divisors is an integer number (37109565).

Almost surely, 2^279427441 is an apocalyptic number.

It is an amenable number.

279427441 is a deficient number, since it is larger than the sum of its proper divisors (17449079).

279427441 is a wasteful number, since it uses less digits than its factorization.

279427441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260483.

The product of its digits is 112896, while the sum is 40.

The square root of 279427441 is about 16716.0833032143. The cubic root of 279427441 is about 653.7670343008.

The spelling of 279427441 in words is "two hundred seventy-nine million, four hundred twenty-seven thousand, four hundred forty-one".