248705808 has 240 divisors, whose sum is σ = 766808064. Its totient is φ = 69189120.

The previous prime is 248705789. The next prime is 248705819. The reversal of 248705808 is 808507842.

248705808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 248705808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5783835 + ... + 5783877.

Almost surely, 2^248705808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 248705808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (383404032).

248705808 is an abundant number, since it is smaller than the sum of its proper divisors (518102256).

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

248705808 is a wasteful number, since it uses less digits than its factorization.

248705808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 42.

The square root of 248705808 is about 15770.4092527746. The cubic root of 248705808 is about 628.8715905643.

The spelling of 248705808 in words is "two hundred forty-eight million, seven hundred five thousand, eight hundred eight".