421448 has 16 divisors (see below), whose sum is σ = 798000. Its totient is φ = 208656.

The previous prime is 421433. The next prime is 421453. The reversal of 421448 is 844124.

It is a nude number because it is divisible by every one of its digits.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 421448.

It is an unprimeable number.

421448 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 in 3 ways as a sum of consecutive naturals, for example, 923 + ... + 1301.

It is an arithmetic number, because the mean of its divisors is an integer number (49875).

2⁴²¹⁴⁴⁸ is an apocalyptic number.

It is an amenable number.

421448 is a deficient number, since it is larger than the sum of its proper divisors (376552).

421448 is a wasteful number, since it uses less digits than its factorization.

421448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524 (or 520 counting only the distinct ones).

The product of its digits is 1024, while the sum is 23.

The square root of 421448 is about 649.1902648685. The cubic root of 421448 is about 74.9746877545.

The spelling of 421448 in words is "four hundred twenty-one thousand, four hundred forty-eight".