284871012 has 24 divisors (see below), whose sum is σ = 666019200. Its totient is φ = 94768416.

The previous prime is 284871011. The next prime is 284871017. The reversal of 284871012 is 210178482.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (284871011) 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, 17212 + ... + 29427.

It is an arithmetic number, because the mean of its divisors is an integer number (27750800).

Almost surely, 2^284871012 is an apocalyptic number.

It is an amenable number.

284871012 is an abundant number, since it is smaller than the sum of its proper divisors (381148188).

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

284871012 is a wasteful number, since it uses less digits than its factorization.

284871012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47155 (or 47153 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 33.

The square root of 284871012 is about 16878.1222889278. The cubic root of 284871012 is about 657.9851408463.

The spelling of 284871012 in words is "two hundred eighty-four million, eight hundred seventy-one thousand, twelve".