884820 has 24 divisors (see below), whose sum is σ = 2477664. Its totient is φ = 235936.

The previous prime is 884813. The next prime is 884827. The reversal of 884820 is 28488.

It is an interprime number because it is at equal distance from previous prime (884813) and next prime (884827).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (884827) by changing a digit.

884820 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 7 ways as a sum of consecutive naturals, for example, 7314 + ... + 7433.

It is an arithmetic number, because the mean of its divisors is an integer number (103236).

2⁸⁸⁴⁸²⁰ is an apocalyptic number.

It is an amenable number.

884820 is an abundant number, since it is smaller than the sum of its proper divisors (1592844).

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

884820 is a wasteful number, since it uses less digits than its factorization.

884820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14759 (or 14757 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 30.

The square root of 884820 is about 940.6487123257. The cubic root of 884820 is about 96.0030380983.

The spelling of 884820 in words is "eight hundred eighty-four thousand, eight hundred twenty".