448428743 has 6 divisors (see below), whose sum is σ = 521641656. Its totient is φ = 384367452.

The previous prime is 448428719. The next prime is 448428749. The reversal of 448428743 is 347824844.

It is not a de Polignac number, because 448428743 - 2⁶ = 448428679 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 448428694 and 448428703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448428749) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4575755 + ... + 4575852.

It is an arithmetic number, because the mean of its divisors is an integer number (86940276).

Almost surely, 2^448428743 is an apocalyptic number.

448428743 is a deficient number, since it is larger than the sum of its proper divisors (73212913).

448428743 is an equidigital number, since it uses as much as digits as its factorization.

448428743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9151621 (or 9151614 counting only the distinct ones).

The product of its digits is 688128, while the sum is 44.

The square root of 448428743 is about 21176.1361678659. The cubic root of 448428743 is about 765.4164892873.

The spelling of 448428743 in words is "four hundred forty-eight million, four hundred twenty-eight thousand, seven hundred forty-three".