248738215 has 64 divisors (see below), whose sum is σ = 364953600. Its totient is φ = 160617600.

The previous prime is 248738183. The next prime is 248738219. The reversal of 248738215 is 512837842.

It is a happy number.

It is not a de Polignac number, because 248738215 - 2⁵ = 248738183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248738219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1898700 + ... + 1898830.

It is an arithmetic number, because the mean of its divisors is an integer number (5702400).

Almost surely, 2^248738215 is an apocalyptic number.

248738215 is a deficient number, since it is larger than the sum of its proper divisors (116215385).

248738215 is a wasteful number, since it uses less digits than its factorization.

248738215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268.

The product of its digits is 107520, while the sum is 40.

The square root of 248738215 is about 15771.4366815455. The cubic root of 248738215 is about 628.8989039012.

The spelling of 248738215 in words is "two hundred forty-eight million, seven hundred thirty-eight thousand, two hundred fifteen".