451424 has 12 divisors (see below), whose sum is σ = 888804. Its totient is φ = 225696.

The previous prime is 451411. The next prime is 451439. The reversal of 451424 is 424154.

It is a junction number, because it is equal to n+sod(n) for n = 451396 and 451405.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 451424.

It is an unprimeable number.

451424 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7022 + ... + 7085.

It is an arithmetic number, because the mean of its divisors is an integer number (74067).

2⁴⁵¹⁴²⁴ is an apocalyptic number.

It is an amenable number.

451424 is a deficient number, since it is larger than the sum of its proper divisors (437380).

451424 is a wasteful number, since it uses less digits than its factorization.

451424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14117 (or 14109 counting only the distinct ones).

The product of its digits is 640, while the sum is 20.

The square root of 451424 is about 671.8809418342. The cubic root of 451424 is about 76.7116895809.

Adding to 451424 its reverse (424154), we get a palindrome (875578).

The spelling of 451424 in words is "four hundred fifty-one thousand, four hundred twenty-four".