248021284 has 24 divisors (see below), whose sum is σ = 501621120. Its totient is φ = 105099456.

The previous prime is 248021251. The next prime is 248021393. The reversal of 248021284 is 482120842.

248021284 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 47272 + ... + 52255.

It is an arithmetic number, because the mean of its divisors is an integer number (20900880).

Almost surely, 2^248021284 is an apocalyptic number.

It is an amenable number.

248021284 is an abundant number, since it is smaller than the sum of its proper divisors (253599836).

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

248021284 is a wasteful number, since it uses less digits than its factorization.

248021284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99627 (or 99625 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 31.

The square root of 248021284 is about 15748.6915012010. The cubic root of 248021284 is about 628.2941033904.

The spelling of 248021284 in words is "two hundred forty-eight million, twenty-one thousand, two hundred eighty-four".