324623420 has 24 divisors (see below), whose sum is σ = 743683248. Its totient is φ = 118044800.

The previous prime is 324623399. The next prime is 324623437. The reversal of 324623420 is 24326423.

It is a self number, because there is not a number n which added to its sum of digits gives 324623420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 737561 + ... + 738000.

It is an arithmetic number, because the mean of its divisors is an integer number (30986802).

Almost surely, 2^324623420 is an apocalyptic number.

It is an amenable number.

324623420 is an abundant number, since it is smaller than the sum of its proper divisors (419059828).

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

324623420 is a wasteful number, since it uses less digits than its factorization.

324623420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1475581 (or 1475579 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 324623420 is about 18017.3089000550. The cubic root of 324623420 is about 687.2687804269.

Adding to 324623420 its reverse (24326423), we get a palindrome (348949843).

The spelling of 324623420 in words is "three hundred twenty-four million, six hundred twenty-three thousand, four hundred twenty".