448644939 has 8 divisors (see below), whose sum is σ = 610920960. Its totient is φ = 292732776.

The previous prime is 448644913. The next prime is 448644941. The reversal of 448644939 is 939446844.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 448644939 - 2¹⁶ = 448579403 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 448644891 and 448644900.

It is not an unprimeable number, because it can be changed into a prime (448644439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1590799 + ... + 1591080.

It is an arithmetic number, because the mean of its divisors is an integer number (76365120).

Almost surely, 2^448644939 is an apocalyptic number.

448644939 is a deficient number, since it is larger than the sum of its proper divisors (162276021).

448644939 is a wasteful number, since it uses less digits than its factorization.

448644939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3181929.

The product of its digits is 2985984, while the sum is 51.

The square root of 448644939 is about 21181.2402611367. The cubic root of 448644939 is about 765.5394767922.

The spelling of 448644939 in words is "four hundred forty-eight million, six hundred forty-four thousand, nine hundred thirty-nine".