248357284 has 72 divisors (see below), whose sum is σ = 563643360. Its totient is φ = 94881024.

The previous prime is 248357281. The next prime is 248357297. The reversal of 248357284 is 482753842.

248357284 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 248357284.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248357281) 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, 61347 + ... + 65269.

It is an arithmetic number, because the mean of its divisors is an integer number (7828380).

Almost surely, 2^248357284 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 248357284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281821680).

248357284 is an abundant number, since it is smaller than the sum of its proper divisors (315286076).

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

248357284 is a wasteful number, since it uses less digits than its factorization.

248357284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3977 (or 3968 counting only the distinct ones).

The product of its digits is 430080, while the sum is 43.

The square root of 248357284 is about 15759.3554436722. The cubic root of 248357284 is about 628.5776967399.

The spelling of 248357284 in words is "two hundred forty-eight million, three hundred fifty-seven thousand, two hundred eighty-four".