248242816 has 16 divisors (see below), whose sum is σ = 494546490. Its totient is φ = 124121344.

The previous prime is 248242811. The next prime is 248242843. The reversal of 248242816 is 618242842.

It can be written as a sum of positive squares in only one way, i.e., 171505216 + 76737600 = 13096^2 + 8760^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (248242811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 969571 + ... + 969826.

Almost surely, 2^248242816 is an apocalyptic number.

It is an amenable number.

248242816 is a deficient number, since it is larger than the sum of its proper divisors (246303674).

248242816 is an equidigital number, since it uses as much as digits as its factorization.

248242816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1939411 (or 1939399 counting only the distinct ones).

The product of its digits is 49152, while the sum is 37.

The square root of 248242816 is about 15755.7232775903. The cubic root of 248242816 is about 628.4811113050.

The spelling of 248242816 in words is "two hundred forty-eight million, two hundred forty-two thousand, eight hundred sixteen".