248669 has 4 divisors (see below), whose sum is σ = 254496. Its totient is φ = 242844.

The previous prime is 248657. The next prime is 248683. The reversal of 248669 is 966842.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-248669 is a prime.

It is a super-2 number, since 2×248669² = 123672543122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248609) 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, 2849 + ... + 2934.

It is an arithmetic number, because the mean of its divisors is an integer number (63624).

2²⁴⁸⁶⁶⁹ is an apocalyptic number.

It is an amenable number.

248669 is a deficient number, since it is larger than the sum of its proper divisors (5827).

248669 is an equidigital number, since it uses as much as digits as its factorization.

248669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5826.

The product of its digits is 20736, while the sum is 35.

The square root of 248669 is about 498.6672237074. The cubic root of 248669 is about 62.8840565089.

The spelling of 248669 in words is "two hundred forty-eight thousand, six hundred sixty-nine".