284028272 has 40 divisors (see below), whose sum is σ = 611679600. Its totient is φ = 126663680.

The previous prime is 284028271. The next prime is 284028307. The reversal of 284028272 is 272820482.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (284028271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5897 + ... + 24552.

It is an arithmetic number, because the mean of its divisors is an integer number (15291990).

Almost surely, 2^284028272 is an apocalyptic number.

284028272 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

284028272 is an abundant number, since it is smaller than the sum of its proper divisors (327651328).

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

284028272 is a wasteful number, since it uses less digits than its factorization.

284028272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30521 (or 30515 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 35.

The square root of 284028272 is about 16853.1383427539. The cubic root of 284028272 is about 657.3356561306.

The spelling of 284028272 in words is "two hundred eighty-four million, twenty-eight thousand, two hundred seventy-two".