248506 has 8 divisors (see below), whose sum is σ = 394740. Its totient is φ = 116928.

The previous prime is 248483. The next prime is 248509. The reversal of 248506 is 605842.

It can be written as a sum of positive squares in 2 ways, for example, as 245025 + 3481 = 495^2 + 59^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248509) 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, 3621 + ... + 3688.

2²⁴⁸⁵⁰⁶ is an apocalyptic number.

248506 is a deficient number, since it is larger than the sum of its proper divisors (146234).

248506 is a wasteful number, since it uses less digits than its factorization.

248506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7328.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 248506 is about 498.5037612697. The cubic root of 248506 is about 62.8703135526.

The spelling of 248506 in words is "two hundred forty-eight thousand, five hundred six".