284868252 has 60 divisors (see below), whose sum is σ = 788523120. Its totient is φ = 89368704.

The previous prime is 284868223. The next prime is 284868253. The reversal of 284868252 is 252868482.

It is a super-2 number, since 2×284868252² = 162299841995071008, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 284868198 and 284868207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (284868253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 20352 + ... + 31367.

It is an arithmetic number, because the mean of its divisors is an integer number (13142052).

Almost surely, 2^284868252 is an apocalyptic number.

It is an amenable number.

284868252 is an abundant number, since it is smaller than the sum of its proper divisors (503654868).

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

284868252 is a wasteful number, since it uses less digits than its factorization.

284868252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51752 (or 51741 counting only the distinct ones).

The product of its digits is 491520, while the sum is 45.

The square root of 284868252 is about 16878.0405260800. The cubic root of 284868252 is about 657.9830158555.

The spelling of 284868252 in words is "two hundred eighty-four million, eight hundred sixty-eight thousand, two hundred fifty-two".