884040 has 64 divisors (see below), whose sum is σ = 2721600. Its totient is φ = 229632.

The previous prime is 884029. The next prime is 884057. The reversal of 884040 is 40488.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 884040.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 884040.

It is an unprimeable number.

884040 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6291 + ... + 6429.

It is an arithmetic number, because the mean of its divisors is an integer number (42525).

2⁸⁸⁴⁰⁴⁰ 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 884040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1360800).

884040 is an abundant number, since it is smaller than the sum of its proper divisors (1837560).

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

884040 is a wasteful number, since it uses less digits than its factorization.

884040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206 (or 202 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 884040 is about 940.2340134243. The cubic root of 884040 is about 95.9748197848.

It can be divided in two parts, 8 and 84040, that added together give a palindrome (84048).

The spelling of 884040 in words is "eight hundred eighty-four thousand, forty".