284671272 has 16 divisors (see below), whose sum is σ = 711678240. Its totient is φ = 94890416.

The previous prime is 284671259. The next prime is 284671313. The reversal of 284671272 is 272176482.

It is a self number, because there is not a number n which added to its sum of digits gives 284671272.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5930628 + ... + 5930675.

It is an arithmetic number, because the mean of its divisors is an integer number (44479890).

Almost surely, 2^284671272 is an apocalyptic number.

It is an amenable number.

284671272 is an abundant number, since it is smaller than the sum of its proper divisors (427006968).

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

284671272 is a wasteful number, since it uses less digits than its factorization.

284671272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11861312 (or 11861308 counting only the distinct ones).

The product of its digits is 75264, while the sum is 39.

The square root of 284671272 is about 16872.2041239430. The cubic root of 284671272 is about 657.8313207250.

The spelling of 284671272 in words is "two hundred eighty-four million, six hundred seventy-one thousand, two hundred seventy-two".