448473239 has 4 divisors (see below), whose sum is σ = 448567080. Its totient is φ = 448379400.

The previous prime is 448473203. The next prime is 448473253. The reversal of 448473239 is 932374844.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 448473239 - 2¹⁶ = 448407703 is a prime.

It is a super-2 number, since 2×448473239² = 402256492198302242, which contains 22 as substring.

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 448473239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448475239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39344 + ... + 49445.

It is an arithmetic number, because the mean of its divisors is an integer number (112141770).

Almost surely, 2^448473239 is an apocalyptic number.

448473239 is a deficient number, since it is larger than the sum of its proper divisors (93841).

448473239 is an equidigital number, since it uses as much as digits as its factorization.

448473239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93840.

The product of its digits is 580608, while the sum is 44.

The square root of 448473239 is about 21177.1867583964. The cubic root of 448473239 is about 765.4418049747.

The spelling of 448473239 in words is "four hundred forty-eight million, four hundred seventy-three thousand, two hundred thirty-nine".