448383517 has 8 divisors (see below), whose sum is σ = 477385272. Its totient is φ = 419673600.

The previous prime is 448383487. The next prime is 448383521. The reversal of 448383517 is 715383844.

It can be written as a sum of positive squares in 4 ways, for example, as 35928036 + 412455481 = 5994^2 + 20309^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 448383517 - 2¹⁹ = 447859229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448383557) 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, 69784 + ... + 75937.

It is an arithmetic number, because the mean of its divisors is an integer number (59673159).

Almost surely, 2^448383517 is an apocalyptic number.

It is an amenable number.

448383517 is a deficient number, since it is larger than the sum of its proper divisors (29001755).

448383517 is a wasteful number, since it uses less digits than its factorization.

448383517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145919.

The product of its digits is 322560, while the sum is 43.

The square root of 448383517 is about 21175.0682879654. The cubic root of 448383517 is about 765.3907565553.

It can be divided in two parts, 448383 and 517, that added together give a square (448900 = 670²).

The spelling of 448383517 in words is "four hundred forty-eight million, three hundred eighty-three thousand, five hundred seventeen".