488945 has 4 divisors (see below), whose sum is σ = 586740. Its totient is φ = 391152.

The previous prime is 488921. The next prime is 488947. The reversal of 488945 is 549884.

488945 is nontrivially palindromic in base 8.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 214369 + 274576 = 463^2 + 524^2 .

It is a cyclic number.

It is not a de Polignac number, because 488945 - 2⁸ = 488689 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 488899 and 488908.

It is not an unprimeable number, because it can be changed into a prime (488947) 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 in 3 ways as a sum of consecutive naturals, for example, 48890 + ... + 48899.

It is an arithmetic number, because the mean of its divisors is an integer number (146685).

2⁴⁸⁸⁹⁴⁵ is an apocalyptic number.

It is an amenable number.

488945 is a deficient number, since it is larger than the sum of its proper divisors (97795).

488945 is an equidigital number, since it uses as much as digits as its factorization.

488945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97794.

The product of its digits is 46080, while the sum is 38.

The square root of 488945 is about 699.2460225128. The cubic root of 488945 is about 78.7807304270.

The spelling of 488945 in words is "four hundred eighty-eight thousand, nine hundred forty-five".