449085317 has 4 divisors (see below), whose sum is σ = 461222796. Its totient is φ = 436947840.

The previous prime is 449085257. The next prime is 449085323. The reversal of 449085317 is 713580944.

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

It can be written as a sum of positive squares in 2 ways, for example, as 350400961 + 98684356 = 18719^2 + 9934^2 .

It is a cyclic number.

It is not a de Polignac number, because 449085317 - 2²⁴ = 432308101 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 (449085397) 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, 6068684 + ... + 6068757.

It is an arithmetic number, because the mean of its divisors is an integer number (115305699).

Almost surely, 2^449085317 is an apocalyptic number.

It is an amenable number.

449085317 is a deficient number, since it is larger than the sum of its proper divisors (12137479).

449085317 is a wasteful number, since it uses less digits than its factorization.

449085317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12137478.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 449085317 is about 21191.6331838771. The cubic root of 449085317 is about 765.7898726470.

The spelling of 449085317 in words is "four hundred forty-nine million, eighty-five thousand, three hundred seventeen".