448985931 has 8 divisors (see below), whose sum is σ = 602461584. Its totient is φ = 297417120.

The previous prime is 448985909. The next prime is 448985947. The reversal of 448985931 is 139589844.

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

It is a de Polignac number, because none of the positive numbers 2^k-448985931 is a prime.

It is a super-2 number, since 2×448985931² = 403176732471873522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (448985531) 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, 476160 + ... + 477101.

It is an arithmetic number, because the mean of its divisors is an integer number (75307698).

Almost surely, 2^448985931 is an apocalyptic number.

448985931 is a deficient number, since it is larger than the sum of its proper divisors (153475653).

448985931 is a wasteful number, since it uses less digits than its factorization.

448985931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953421.

The product of its digits is 1244160, while the sum is 51.

The square root of 448985931 is about 21189.2881192361. The cubic root of 448985931 is about 765.7333767692.

The spelling of 448985931 in words is "four hundred forty-eight million, nine hundred eighty-five thousand, nine hundred thirty-one".