248685 has 16 divisors (see below), whose sum is σ = 406080. Its totient is φ = 129920.

The previous prime is 248683. The next prime is 248701. The reversal of 248685 is 586842.

248685 = T₂₁₈ + T₂₁₉ + ... + T₂₂₇.

It is not a de Polignac number, because 248685 - 2¹ = 248683 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 745 + ... + 1025.

It is an arithmetic number, because the mean of its divisors is an integer number (25380).

2²⁴⁸⁶⁸⁵ is an apocalyptic number.

It is an amenable number.

248685 is a deficient number, since it is larger than the sum of its proper divisors (157395).

248685 is a wasteful number, since it uses less digits than its factorization.

248685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348.

The product of its digits is 15360, while the sum is 33.

The square root of 248685 is about 498.6832662121. The cubic root of 248685 is about 62.8854051871.

The spelling of 248685 in words is "two hundred forty-eight thousand, six hundred eighty-five".