449942317 has 8 divisors (see below), whose sum is σ = 492256800. Its totient is φ = 407862960.

The previous prime is 449942309. The next prime is 449942341. The reversal of 449942317 is 713249944.

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 449942317 - 2³ = 449942309 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 (449942347) 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, 54763 + ... + 62440.

It is an arithmetic number, because the mean of its divisors is an integer number (61532100).

Almost surely, 2^449942317 is an apocalyptic number.

It is an amenable number.

449942317 is a deficient number, since it is larger than the sum of its proper divisors (42314483).

449942317 is a wasteful number, since it uses less digits than its factorization.

449942317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117563.

The product of its digits is 217728, while the sum is 43.

The square root of 449942317 is about 21211.8437906751. The cubic root of 449942317 is about 766.2766880115.

The spelling of 449942317 in words is "four hundred forty-nine million, nine hundred forty-two thousand, three hundred seventeen".