448632489 has 8 divisors (see below), whose sum is σ = 603767520. Its totient is φ = 296292896.

The previous prime is 448632449. The next prime is 448632493. The reversal of 448632489 is 984236844.

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 448632489 - 2¹⁵ = 448599721 is a prime.

It is a super-2 number, since 2×448632489² = 402542220372670242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (448632409) 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, 698484 + ... + 699125.

It is an arithmetic number, because the mean of its divisors is an integer number (75470940).

Almost surely, 2^448632489 is an apocalyptic number.

It is an amenable number.

448632489 is a deficient number, since it is larger than the sum of its proper divisors (155135031).

448632489 is a wasteful number, since it uses less digits than its factorization.

448632489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397719.

The product of its digits is 1327104, while the sum is 48.

The square root of 448632489 is about 21180.9463669591. The cubic root of 448632489 is about 765.5323954280.

The spelling of 448632489 in words is "four hundred forty-eight million, six hundred thirty-two thousand, four hundred eighty-nine".