248643316 has 24 divisors (see below), whose sum is σ = 438576264. Its totient is φ = 123340800.

The previous prime is 248643289. The next prime is 248643323. The reversal of 248643316 is 613346842.

It can be written as a sum of positive squares in 4 ways, for example, as 130051216 + 118592100 = 11404^2 + 10890^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 413416 + ... + 414016.

It is an arithmetic number, because the mean of its divisors is an integer number (18274011).

Almost surely, 2^248643316 is an apocalyptic number.

It is an amenable number.

248643316 is a deficient number, since it is larger than the sum of its proper divisors (189932948).

248643316 is a wasteful number, since it uses less digits than its factorization.

248643316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251 (or 1249 counting only the distinct ones).

The product of its digits is 82944, while the sum is 37.

The square root of 248643316 is about 15768.4278227095. The cubic root of 248643316 is about 628.8189142239.

The spelling of 248643316 in words is "two hundred forty-eight million, six hundred forty-three thousand, three hundred sixteen".