488988439 has 2 divisors, whose sum is σ = 488988440. Its totient is φ = 488988438.

The previous prime is 488988371. The next prime is 488988463. The reversal of 488988439 is 934889884.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-488988439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (488988499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244494219 + 244494220.

It is an arithmetic number, because the mean of its divisors is an integer number (244494220).

Almost surely, 2^488988439 is an apocalyptic number.

488988439 is a deficient number, since it is larger than the sum of its proper divisors (1).

488988439 is an equidigital number, since it uses as much as digits as its factorization.

488988439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15925248, while the sum is 61.

The square root of 488988439 is about 22113.0829827051. The cubic root of 488988439 is about 787.8306337843.

The spelling of 488988439 in words is "four hundred eighty-eight million, nine hundred eighty-eight thousand, four hundred thirty-nine".