448316921 has 8 divisors (see below), whose sum is σ = 483155904. Its totient is φ = 413528400.

The previous prime is 448316893. The next prime is 448316923. The reversal of 448316921 is 129613844.

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 448316921 - 2²⁶ = 381208057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (448316923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6980 + ... + 30746.

It is an arithmetic number, because the mean of its divisors is an integer number (60394488).

Almost surely, 2^448316921 is an apocalyptic number.

It is an amenable number.

448316921 is a deficient number, since it is larger than the sum of its proper divisors (34838983).

448316921 is a wasteful number, since it uses less digits than its factorization.

448316921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25231.

The product of its digits is 41472, while the sum is 38.

The square root of 448316921 is about 21173.4957198853. The cubic root of 448316921 is about 765.3528615505.

The spelling of 448316921 in words is "four hundred forty-eight million, three hundred sixteen thousand, nine hundred twenty-one".