448351385 has 8 divisors (see below), whose sum is σ = 552563016. Its totient is φ = 348986880.

The previous prime is 448351381. The next prime is 448351429. The reversal of 448351385 is 583153844.

It can be written as a sum of positive squares in 4 ways, for example, as 53772889 + 394578496 = 7333^2 + 19864^2 .

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

It is not a de Polignac number, because 448351385 - 2² = 448351381 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (448351381) 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, 1211576 + ... + 1211945.

It is an arithmetic number, because the mean of its divisors is an integer number (69070377).

Almost surely, 2^448351385 is an apocalyptic number.

It is an amenable number.

448351385 is a deficient number, since it is larger than the sum of its proper divisors (104211631).

448351385 is a wasteful number, since it uses less digits than its factorization.

448351385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2423563.

The product of its digits is 230400, while the sum is 41.

The square root of 448351385 is about 21174.3095519075. The cubic root of 448351385 is about 765.3724730083.

The spelling of 448351385 in words is "four hundred forty-eight million, three hundred fifty-one thousand, three hundred eighty-five".