248389 has 2 divisors, whose sum is σ = 248390. Its totient is φ = 248388.

The previous prime is 248371. The next prime is 248401. The reversal of 248389 is 983842.

248389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 245025 + 3364 = 495^2 + 58^2 .

It is a cyclic number.

It is not a de Polignac number, because 248389 - 2⁵ = 248357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124194 + 124195.

It is an arithmetic number, because the mean of its divisors is an integer number (124195).

2²⁴⁸³⁸⁹ is an apocalyptic number.

It is an amenable number.

248389 is a deficient number, since it is larger than the sum of its proper divisors (1).

248389 is an equidigital number, since it uses as much as digits as its factorization.

248389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 34.

The square root of 248389 is about 498.3863962830. The cubic root of 248389 is about 62.8604452712.

The spelling of 248389 in words is "two hundred forty-eight thousand, three hundred eighty-nine".