420000324 has 24 divisors (see below), whose sum is σ = 985873728. Its totient is φ = 139161120.

The previous prime is 420000323. The next prime is 420000331. The reversal of 420000324 is 423000024.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (420000323) 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, 102787 + ... + 106794.

It is an arithmetic number, because the mean of its divisors is an integer number (41078072).

Almost surely, 2^420000324 is an apocalyptic number.

It is an amenable number.

420000324 is an abundant number, since it is smaller than the sum of its proper divisors (565873404).

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

420000324 is a wasteful number, since it uses less digits than its factorization.

420000324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209755 (or 209753 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 420000324 is about 20493.9094367083. The cubic root of 420000324 is about 748.8874312928.

Adding to 420000324 its reverse (423000024), we get a palindrome (843000348).

The spelling of 420000324 in words is "four hundred twenty million, three hundred twenty-four", and thus it is an aban number.