284391044 has 48 divisors (see below), whose sum is σ = 598219776. Its totient is φ = 115658400.

The previous prime is 284391043. The next prime is 284391049. The reversal of 284391044 is 440193482.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 284390995 and 284391013.

It is not an unprimeable number, because it can be changed into a prime (284391043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82679 + ... + 86049.

It is an arithmetic number, because the mean of its divisors is an integer number (12462912).

Almost surely, 2^284391044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 284391044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299109888).

284391044 is an abundant number, since it is smaller than the sum of its proper divisors (313828732).

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

284391044 is a wasteful number, since it uses less digits than its factorization.

284391044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3536 (or 3534 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 284391044 is about 16863.8976514921. The cubic root of 284391044 is about 657.6153953226.

The spelling of 284391044 in words is "two hundred eighty-four million, three hundred ninety-one thousand, forty-four".