248815218 has 16 divisors (see below), whose sum is σ = 505789056. Its totient is φ = 81578640.

The previous prime is 248815201. The next prime is 248815261. The reversal of 248815218 is 812518842.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339546 + ... + 340277.

It is an arithmetic number, because the mean of its divisors is an integer number (31611816).

Almost surely, 2^248815218 is an apocalyptic number.

248815218 is an abundant number, since it is smaller than the sum of its proper divisors (256973838).

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

248815218 is a wasteful number, since it uses less digits than its factorization.

248815218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679889.

The product of its digits is 40960, while the sum is 39.

The square root of 248815218 is about 15773.8777096819. The cubic root of 248815218 is about 628.9637942196.

The spelling of 248815218 in words is "two hundred forty-eight million, eight hundred fifteen thousand, two hundred eighteen".