448429 has 4 divisors (see below), whose sum is σ = 449820. Its totient is φ = 447040.

The previous prime is 448421. The next prime is 448451. The reversal of 448429 is 924844.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 220900 + 227529 = 470^2 + 477^2 .

It is a cyclic number.

It is not a de Polignac number, because 448429 - 2³ = 448421 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 448429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69 + ... + 949.

It is an arithmetic number, because the mean of its divisors is an integer number (112455).

2⁴⁴⁸⁴²⁹ is an apocalyptic number.

It is an amenable number.

448429 is a deficient number, since it is larger than the sum of its proper divisors (1391).

448429 is an equidigital number, since it uses as much as digits as its factorization.

448429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1390.

The product of its digits is 9216, while the sum is 31.

The square root of 448429 is about 669.6484152150. The cubic root of 448429 is about 76.5416635510.

The spelling of 448429 in words is "four hundred forty-eight thousand, four hundred twenty-nine".