248636685 has 16 divisors (see below), whose sum is σ = 433984320. Its totient is φ = 120551040.

The previous prime is 248636683. The next prime is 248636711. The reversal of 248636685 is 586636842.

It is not a de Polignac number, because 248636685 - 2¹ = 248636683 is a prime.

It is a super-2 number, since 2×248636685² = 123640402255578450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248636681) 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, 753280 + ... + 753609.

It is an arithmetic number, because the mean of its divisors is an integer number (27124020).

Almost surely, 2^248636685 is an apocalyptic number.

It is an amenable number.

248636685 is a deficient number, since it is larger than the sum of its proper divisors (185347635).

248636685 is a wasteful number, since it uses less digits than its factorization.

248636685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506908.

The product of its digits is 1658880, while the sum is 48.

The square root of 248636685 is about 15768.2175593819. The cubic root of 248636685 is about 628.8133242414.

The spelling of 248636685 in words is "two hundred forty-eight million, six hundred thirty-six thousand, six hundred eighty-five".