288947 has 2 divisors, whose sum is σ = 288948. Its totient is φ = 288946.

The previous prime is 288931. The next prime is 288973. The reversal of 288947 is 749882.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 288947 - 2⁴ = 288931 is a prime.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 288947.

It is not a weakly prime, because it can be changed into another prime (288907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144473 + 144474.

It is an arithmetic number, because the mean of its divisors is an integer number (144474).

2²⁸⁸⁹⁴⁷ is an apocalyptic number.

288947 is a deficient number, since it is larger than the sum of its proper divisors (1).

288947 is an equidigital number, since it uses as much as digits as its factorization.

288947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 38.

The square root of 288947 is about 537.5379056402. The cubic root of 288947 is about 66.1108483121.

The spelling of 288947 in words is "two hundred eighty-eight thousand, nine hundred forty-seven".