423844824 has 32 divisors (see below), whose sum is σ = 1141121520. Its totient is φ = 130413696.

The previous prime is 423844801. The next prime is 423844829. The reversal of 423844824 is 428448324.

It is a Harshad number since it is a multiple of its sum of digits (39).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423844829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 678927 + ... + 679550.

Almost surely, 2^423844824 is an apocalyptic number.

It is an amenable number.

423844824 is an abundant number, since it is smaller than the sum of its proper divisors (717276696).

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

423844824 is a wasteful number, since it uses less digits than its factorization.

423844824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358499 (or 1358495 counting only the distinct ones).

The product of its digits is 196608, while the sum is 39.

The square root of 423844824 is about 20587.4919307817. The cubic root of 423844824 is about 751.1654910139.

The spelling of 423844824 in words is "four hundred twenty-three million, eight hundred forty-four thousand, eight hundred twenty-four".