488891 has 4 divisors (see below), whose sum is σ = 526512. Its totient is φ = 451272.

The previous prime is 488879. The next prime is 488893. The reversal of 488891 is 198884.

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

It is a cyclic number.

It is not a de Polignac number, because 488891 - 2⁶ = 488827 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 488891.

It is not an unprimeable number, because it can be changed into a prime (488893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18791 + ... + 18816.

It is an arithmetic number, because the mean of its divisors is an integer number (131628).

2⁴⁸⁸⁸⁹¹ is an apocalyptic number.

488891 is a deficient number, since it is larger than the sum of its proper divisors (37621).

488891 is a wasteful number, since it uses less digits than its factorization.

488891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37620.

The product of its digits is 18432, while the sum is 38.

The square root of 488891 is about 699.2074084276. The cubic root of 488891 is about 78.7778300898. Note that the first 3 decimals are identical.

The spelling of 488891 in words is "four hundred eighty-eight thousand, eight hundred ninety-one".