424446 has 32 divisors (see below), whose sum is σ = 950400. Its totient is φ = 125280.

The previous prime is 424433. The next prime is 424451. The reversal of 424446 is 644424.

It is a Curzon number.

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 424446.

It is an unprimeable number.

424446 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 15 ways as a sum of consecutive naturals, for example, 3840 + ... + 3948.

It is an arithmetic number, because the mean of its divisors is an integer number (29700).

2⁴²⁴⁴⁴⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 424446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (475200).

424446 is an abundant number, since it is smaller than the sum of its proper divisors (525954).

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

424446 is a wasteful number, since it uses less digits than its factorization.

424446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184.

The product of its digits is 3072, while the sum is 24.

The square root of 424446 is about 651.4952033592. The cubic root of 424446 is about 75.1520471030.

The spelling of 424446 in words is "four hundred twenty-four thousand, four hundred forty-six".