884780 has 48 divisors (see below), whose sum is σ = 2074464. Its totient is φ = 314880.

The previous prime is 884743. The next prime is 884789. The reversal of 884780 is 87488.

It is a self number, because there is not a number n which added to its sum of digits gives 884780.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 884780.

It is not an unprimeable number, because it can be changed into a prime (884789) by changing a digit.

884780 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 (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10619 + ... + 10701.

It is an arithmetic number, because the mean of its divisors is an integer number (43218).

2⁸⁸⁴⁷⁸⁰ 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 884780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1037232).

884780 is an abundant number, since it is smaller than the sum of its proper divisors (1189684).

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

884780 is a wasteful number, since it uses less digits than its factorization.

884780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 35.

The square root of 884780 is about 940.6274501629. The cubic root of 884780 is about 96.0015914088.

The spelling of 884780 in words is "eight hundred eighty-four thousand, seven hundred eighty".