248989 has 8 divisors (see below), whose sum is σ = 272160. Its totient is φ = 226416.

The previous prime is 248987. The next prime is 249017. The reversal of 248989 is 989842.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 248989 - 2¹ = 248987 is a prime.

It is a Duffinian number.

248989 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1302 + ... + 1480.

It is an arithmetic number, because the mean of its divisors is an integer number (34020).

2²⁴⁸⁹⁸⁹ is an apocalyptic number.

It is an amenable number.

248989 is a deficient number, since it is larger than the sum of its proper divisors (23171).

248989 is a wasteful number, since it uses less digits than its factorization.

248989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299.

The product of its digits is 41472, while the sum is 40.

The square root of 248989 is about 498.9879758070. The cubic root of 248989 is about 62.9110190877.

The spelling of 248989 in words is "two hundred forty-eight thousand, nine hundred eighty-nine".