284128268 has 24 divisors (see below), whose sum is σ = 513959040. Its totient is φ = 137295360.

The previous prime is 284128213. The next prime is 284128277. The reversal of 284128268 is 862821482.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

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, 149468 + ... + 151356.

It is an arithmetic number, because the mean of its divisors is an integer number (21414960).

Almost surely, 2^284128268 is an apocalyptic number.

It is an amenable number.

284128268 is a deficient number, since it is larger than the sum of its proper divisors (229830772).

284128268 is a wasteful number, since it uses less digits than its factorization.

284128268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3137 (or 3135 counting only the distinct ones).

The product of its digits is 98304, while the sum is 41.

The square root of 284128268 is about 16856.1047694893. The cubic root of 284128268 is about 657.4127883864.

The spelling of 284128268 in words is "two hundred eighty-four million, one hundred twenty-eight thousand, two hundred sixty-eight".