248278 has 4 divisors (see below), whose sum is σ = 372420. Its totient is φ = 124138.

The previous prime is 248267. The next prime is 248291. The reversal of 248278 is 872842.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 62068 + ... + 62071.

It is an arithmetic number, because the mean of its divisors is an integer number (93105).

2²⁴⁸²⁷⁸ is an apocalyptic number.

248278 is a deficient number, since it is larger than the sum of its proper divisors (124142).

248278 is a wasteful number, since it uses less digits than its factorization.

248278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124141.

The product of its digits is 7168, while the sum is 31.

The square root of 248278 is about 498.2750244594. The cubic root of 248278 is about 62.8510801906.

The spelling of 248278 in words is "two hundred forty-eight thousand, two hundred seventy-eight".