448984789 has 8 divisors (see below), whose sum is σ = 489984768. Its totient is φ = 408015360.

The previous prime is 448984777. The next prime is 448984793. The reversal of 448984789 is 987489844.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-448984789 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 (448984769) 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, 32124 + ... + 43930.

It is an arithmetic number, because the mean of its divisors is an integer number (61248096).

Almost surely, 2^448984789 is an apocalyptic number.

It is an amenable number.

448984789 is a deficient number, since it is larger than the sum of its proper divisors (40999979).

448984789 is a wasteful number, since it uses less digits than its factorization.

448984789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15275.

The product of its digits is 18579456, while the sum is 61.

The square root of 448984789 is about 21189.2611716407. The cubic root of 448984789 is about 765.7327275520.

The spelling of 448984789 in words is "four hundred forty-eight million, nine hundred eighty-four thousand, seven hundred eighty-nine".