488191 has 4 divisors (see below), whose sum is σ = 532584. Its totient is φ = 443800.

The previous prime is 488171. The next prime is 488197. The reversal of 488191 is 191884.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-488191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (488197) 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, 22180 + ... + 22201.

It is an arithmetic number, because the mean of its divisors is an integer number (133146).

2⁴⁸⁸¹⁹¹ is an apocalyptic number.

488191 is a deficient number, since it is larger than the sum of its proper divisors (44393).

488191 is a wasteful number, since it uses less digits than its factorization.

488191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44392.

The product of its digits is 2304, while the sum is 31.

The square root of 488191 is about 698.7066623412. The cubic root of 488191 is about 78.7402137835.

The spelling of 488191 in words is "four hundred eighty-eight thousand, one hundred ninety-one".