284448748 has 24 divisors (see below), whose sum is σ = 514710000. Its totient is φ = 137441088.

The previous prime is 284448727. The next prime is 284448757. The reversal of 284448748 is 847844482.

It is a super-2 number, since 2×284448748² = 161822180477535008, which contains 22 as substring.

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, 15603 + ... + 28501.

It is an arithmetic number, because the mean of its divisors is an integer number (21446250).

Almost surely, 2^284448748 is an apocalyptic number.

It is an amenable number.

284448748 is a deficient number, since it is larger than the sum of its proper divisors (230261252).

284448748 is a wasteful number, since it uses less digits than its factorization.

284448748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13089 (or 13087 counting only the distinct ones).

The product of its digits is 1835008, while the sum is 49.

The square root of 284448748 is about 16865.6084384762. The cubic root of 284448748 is about 657.6598698508.

The spelling of 284448748 in words is "two hundred eighty-four million, four hundred forty-eight thousand, seven hundred forty-eight".