488791 has 2 divisors, whose sum is σ = 488792. Its totient is φ = 488790.
The previous prime is 488779. The next prime is 488797. The reversal of 488791 is 197884.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 488791 - 25 = 488759 is a prime.
488791 is a lucky number.
It is a self number, because there is not a number n which added to its sum of digits gives 488791.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (488797) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244395 + 244396.
It is an arithmetic number, because the mean of its divisors is an integer number (244396).
2488791 is an apocalyptic number.
488791 is a deficient number, since it is larger than the sum of its proper divisors (1).
488791 is an equidigital number, since it uses as much as digits as its factorization.
488791 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 16128, while the sum is 37.
The square root of 488791 is about 699.1358952307. The cubic root of 488791 is about 78.7724585311.
The spelling of 488791 in words is "four hundred eighty-eight thousand, seven hundred ninety-one".
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