284891852 has 24 divisors (see below), whose sum is σ = 599773440. Its totient is φ = 115670160.

The previous prime is 284891843. The next prime is 284891879. The reversal of 284891852 is 258198482.

It is a junction number, because it is equal to n+sod(n) for n = 284891797 and 284891806.

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, 267224 + ... + 268287.

It is an arithmetic number, because the mean of its divisors is an integer number (24990560).

Almost surely, 2^284891852 is an apocalyptic number.

It is an amenable number.

284891852 is an abundant number, since it is smaller than the sum of its proper divisors (314881588).

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

284891852 is a wasteful number, since it uses less digits than its factorization.

284891852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535541 (or 535539 counting only the distinct ones).

The product of its digits is 368640, while the sum is 47.

The square root of 284891852 is about 16878.7396448906. The cubic root of 284891852 is about 658.0011856238.

The spelling of 284891852 in words is "two hundred eighty-four million, eight hundred ninety-one thousand, eight hundred fifty-two".