420324 has 12 divisors (see below), whose sum is σ = 980784. Its totient is φ = 140104.

The previous prime is 420323. The next prime is 420331. The reversal of 420324 is 423024.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 420324.

It is not an unprimeable number, because it can be changed into a prime (420323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17502 + ... + 17525.

It is an arithmetic number, because the mean of its divisors is an integer number (81732).

2⁴²⁰³²⁴ is an apocalyptic number.

It is an amenable number.

420324 is an abundant number, since it is smaller than the sum of its proper divisors (560460).

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

420324 is a wasteful number, since it uses less digits than its factorization.

420324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35034 (or 35032 counting only the distinct ones).

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

The square root of 420324 is about 648.3239930775. The cubic root of 420324 is about 74.9079760229.

Adding to 420324 its reverse (423024), we get a palindrome (843348).

The spelling of 420324 in words is "four hundred twenty thousand, three hundred twenty-four", and thus it is an iban number.