624303420 has 96 divisors (see below), whose sum is σ = 1943316480. Its totient is φ = 148711680.

The previous prime is 624303413. The next prime is 624303439. The reversal of 624303420 is 24303426.

It is a happy number.

624303420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11271 + ... + 37089.

It is an arithmetic number, because the mean of its divisors is an integer number (20242880).

Almost surely, 2^624303420 is an apocalyptic number.

624303420 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 624303420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (971658240).

624303420 is an abundant number, since it is smaller than the sum of its proper divisors (1319013060).

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

624303420 is a wasteful number, since it uses less digits than its factorization.

624303420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25875 (or 25873 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 624303420 is about 24986.0645160457. The cubic root of 624303420 is about 854.6702192485.

Adding to 624303420 its reverse (24303426), we get a palindrome (648606846).

The spelling of 624303420 in words is "six hundred twenty-four million, three hundred three thousand, four hundred twenty".