984423 has 16 divisors (see below), whose sum is σ = 1495296. Its totient is φ = 570240.

The previous prime is 984421. The next prime is 984427. The reversal of 984423 is 324489.

It is a happy number.

It is not a de Polignac number, because 984423 - 2¹ = 984421 is a prime.

984423 is a lucky number.

It is a congruent number.

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

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, 111 + ... + 1407.

It is an arithmetic number, because the mean of its divisors is an integer number (93456).

2⁹⁸⁴⁴²³ is an apocalyptic number.

984423 is a deficient number, since it is larger than the sum of its proper divisors (510873).

984423 is a wasteful number, since it uses less digits than its factorization.

984423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334.

The product of its digits is 6912, while the sum is 30.

The square root of 984423 is about 992.1809310806. The cubic root of 984423 is about 99.4780470579.

The spelling of 984423 in words is "nine hundred eighty-four thousand, four hundred twenty-three".