248399 has 4 divisors (see below), whose sum is σ = 251280. Its totient is φ = 245520.

The previous prime is 248389. The next prime is 248401. The reversal of 248399 is 993842.

248399 is nontrivially palindromic in base 12.

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 248399 - 2¹² = 244303 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248309) 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 3 ways as a sum of consecutive naturals, for example, 1307 + ... + 1484.

It is an arithmetic number, because the mean of its divisors is an integer number (62820).

2²⁴⁸³⁹⁹ is an apocalyptic number.

248399 is a deficient number, since it is larger than the sum of its proper divisors (2881).

248399 is an equidigital number, since it uses as much as digits as its factorization.

248399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2880.

The product of its digits is 15552, while the sum is 35.

The square root of 248399 is about 498.3964285586. The cubic root of 248399 is about 62.8612888351.

The spelling of 248399 in words is "two hundred forty-eight thousand, three hundred ninety-nine".