248684 has 6 divisors (see below), whose sum is σ = 435204. Its totient is φ = 124340.

The previous prime is 248683. The next prime is 248701. The reversal of 248684 is 486842.

It is a self number, because there is not a number n which added to its sum of digits gives 248684.

It is not an unprimeable number, because it can be changed into a prime (248683) 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 as a sum of consecutive naturals, namely, 31082 + ... + 31089.

It is an arithmetic number, because the mean of its divisors is an integer number (72534).

2²⁴⁸⁶⁸⁴ is an apocalyptic number.

It is an amenable number.

248684 is a deficient number, since it is larger than the sum of its proper divisors (186520).

248684 is a wasteful number, since it uses less digits than its factorization.

248684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62175 (or 62173 counting only the distinct ones).

The product of its digits is 12288, while the sum is 32.

The square root of 248684 is about 498.6822635707. The cubic root of 248684 is about 62.8853208964.

The spelling of 248684 in words is "two hundred forty-eight thousand, six hundred eighty-four".