248889 has 4 divisors (see below), whose sum is σ = 331856. Its totient is φ = 165924.

The previous prime is 248887. The next prime is 248891. The reversal of 248889 is 988842.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (248887) and next prime (248891).

It is not a de Polignac number, because 248889 - 2¹ = 248887 is a prime.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 10 and base 14.

It is not an unprimeable number, because it can be changed into a prime (248887) 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, 41479 + ... + 41484.

It is an arithmetic number, because the mean of its divisors is an integer number (82964).

2²⁴⁸⁸⁸⁹ is an apocalyptic number.

It is an amenable number.

248889 is a deficient number, since it is larger than the sum of its proper divisors (82967).

248889 is an equidigital number, since it uses as much as digits as its factorization.

248889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82966.

The product of its digits is 36864, while the sum is 39.

The square root of 248889 is about 498.8877629287. The cubic root of 248889 is about 62.9025957647.

The spelling of 248889 in words is "two hundred forty-eight thousand, eight hundred eighty-nine".