984420 has 48 divisors (see below), whose sum is σ = 3064320. Its totient is φ = 262368.

The previous prime is 984413. The next prime is 984421. The reversal of 984420 is 24489.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 10.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 984420.

It is not an unprimeable number, because it can be changed into a prime (984421) by changing a digit.

984420 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 372 + ... + 1451.

It is an arithmetic number, because the mean of its divisors is an integer number (63840).

2⁹⁸⁴⁴²⁰ is an apocalyptic number.

984420 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

984420 is an abundant number, since it is smaller than the sum of its proper divisors (2079900).

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

984420 is a wasteful number, since it uses less digits than its factorization.

984420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1841 (or 1833 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 984420 is about 992.1794192584. The cubic root of 984420 is about 99.4779460056.

The spelling of 984420 in words is "nine hundred eighty-four thousand, four hundred twenty".