488861 has 2 divisors, whose sum is σ = 488862. Its totient is φ = 488860.

The previous prime is 488833. The next prime is 488879. The reversal of 488861 is 168884.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 481636 + 7225 = 694^2 + 85^2 .

It is a cyclic number.

It is not a de Polignac number, because 488861 - 2⁶ = 488797 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (488821) 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, 244430 + 244431.

It is an arithmetic number, because the mean of its divisors is an integer number (244431).

2⁴⁸⁸⁸⁶¹ is an apocalyptic number.

It is an amenable number.

488861 is a deficient number, since it is larger than the sum of its proper divisors (1).

488861 is an equidigital number, since it uses as much as digits as its factorization.

488861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12288, while the sum is 35.

The square root of 488861 is about 699.1859552365. The cubic root of 488861 is about 78.7762186991.

The spelling of 488861 in words is "four hundred eighty-eight thousand, eight hundred sixty-one".