488921 has 2 divisors, whose sum is σ = 488922. Its totient is φ = 488920.

The previous prime is 488909. The next prime is 488947. The reversal of 488921 is 129884.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 373321 + 115600 = 611^2 + 340^2 .

It is a cyclic number.

It is not a de Polignac number, because 488921 - 2¹⁰ = 487897 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (488981) 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, 244460 + 244461.

It is an arithmetic number, because the mean of its divisors is an integer number (244461).

2⁴⁸⁸⁹²¹ is an apocalyptic number.

It is an amenable number.

488921 is a deficient number, since it is larger than the sum of its proper divisors (1).

488921 is an equidigital number, since it uses as much as digits as its factorization.

488921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 32.

The square root of 488921 is about 699.2288609604. The cubic root of 488921 is about 78.7794414146.

The spelling of 488921 in words is "four hundred eighty-eight thousand, nine hundred twenty-one".