423844224 has 64 divisors (see below), whose sum is σ = 1153338480. Its totient is φ = 137830400.

The previous prime is 423844159. The next prime is 423844241. The reversal of 423844224 is 422448324.

It is a tau number, because it is divible by the number of its divisors (64).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable 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 7 ways as a sum of consecutive naturals, for example, 2284 + ... + 29204.

Almost surely, 2^423844224 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 423844224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (576669240).

423844224 is an abundant number, since it is smaller than the sum of its proper divisors (729494256).

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

423844224 is a wasteful number, since it uses less digits than its factorization.

423844224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26979 (or 26967 counting only the distinct ones).

The product of its digits is 49152, while the sum is 33.

The square root of 423844224 is about 20587.4773588218. The cubic root of 423844224 is about 751.1651365606.

The spelling of 423844224 in words is "four hundred twenty-three million, eight hundred forty-four thousand, two hundred twenty-four".