248742648 has 96 divisors (see below), whose sum is σ = 839928960. Its totient is φ = 64607040.

The previous prime is 248742647. The next prime is 248742653. The reversal of 248742648 is 846247842.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248742647) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16890 + ... + 27977.

It is an arithmetic number, because the mean of its divisors is an integer number (8749260).

Almost surely, 2^248742648 is an apocalyptic number.

248742648 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

248742648 is an abundant number, since it is smaller than the sum of its proper divisors (591186312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

248742648 is a wasteful number, since it uses less digits than its factorization.

248742648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44897 (or 44890 counting only the distinct ones).

The product of its digits is 688128, while the sum is 45.

The square root of 248742648 is about 15771.5772197964. The cubic root of 248742648 is about 628.9026399472.

The spelling of 248742648 in words is "two hundred forty-eight million, seven hundred forty-two thousand, six hundred forty-eight".