288048989 has 2 divisors, whose sum is σ = 288048990. Its totient is φ = 288048988.

The previous prime is 288048983. The next prime is 288049001. The reversal of 288048989 is 989840882.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 286726489 + 1322500 = 16933^2 + 1150^2 .

It is a cyclic number.

It is not a de Polignac number, because 288048989 - 2⁴ = 288048973 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (288048983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144024494 + 144024495.

It is an arithmetic number, because the mean of its divisors is an integer number (144024495).

Almost surely, 2^288048989 is an apocalyptic number.

It is an amenable number.

288048989 is a deficient number, since it is larger than the sum of its proper divisors (1).

288048989 is an equidigital number, since it uses as much as digits as its factorization.

288048989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2654208, while the sum is 56.

The square root of 288048989 is about 16972.0060393579. The cubic root of 288048989 is about 660.4228916639.

The spelling of 288048989 in words is "two hundred eighty-eight million, forty-eight thousand, nine hundred eighty-nine".