248742918 has 24 divisors (see below), whose sum is σ = 557528400. Its totient is φ = 80055024.

The previous prime is 248742913. The next prime is 248742919. The reversal of 248742918 is 819247842.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248742911) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 237738 + ... + 238781.

It is an arithmetic number, because the mean of its divisors is an integer number (23230350).

Almost surely, 2^248742918 is an apocalyptic number.

248742918 is an abundant number, since it is smaller than the sum of its proper divisors (308785482).

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

248742918 is a wasteful number, since it uses less digits than its factorization.

248742918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476556 (or 476553 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 248742918 is about 15771.5857794960. The cubic root of 248742918 is about 628.9028674965.

The spelling of 248742918 in words is "two hundred forty-eight million, seven hundred forty-two thousand, nine hundred eighteen".