421324 has 6 divisors (see below), whose sum is σ = 737324. Its totient is φ = 210660.

The previous prime is 421313. The next prime is 421331. The reversal of 421324 is 423124.

It is a junction number, because it is equal to n+sod(n) for n = 421298 and 421307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52662 + ... + 52669.

2⁴²¹³²⁴ is an apocalyptic number.

It is an amenable number.

421324 is a deficient number, since it is larger than the sum of its proper divisors (316000).

421324 is a wasteful number, since it uses less digits than its factorization.

421324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105335 (or 105333 counting only the distinct ones).

The product of its digits is 192, while the sum is 16.

The square root of 421324 is about 649.0947542540. The cubic root of 421324 is about 74.9673339226.

Adding to 421324 its reverse (423124), we get a palindrome (844448).

The spelling of 421324 in words is "four hundred twenty-one thousand, three hundred twenty-four", and thus it is an iban number.