448207189 has 8 divisors (see below), whose sum is σ = 461289312. Its totient is φ = 435246000.

The previous prime is 448207163. The next prime is 448207231. The reversal of 448207189 is 981702844.

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

It is not a de Polignac number, because 448207189 - 2⁵ = 448207157 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448207589) 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, 22687 + ... + 37564.

It is an arithmetic number, because the mean of its divisors is an integer number (57661164).

Almost surely, 2^448207189 is an apocalyptic number.

It is an amenable number.

448207189 is a deficient number, since it is larger than the sum of its proper divisors (13082123).

448207189 is a wasteful number, since it uses less digits than its factorization.

448207189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60467.

The product of its (nonzero) digits is 129024, while the sum is 43.

The square root of 448207189 is about 21170.9043028398. The cubic root of 448207189 is about 765.2904127565.

The spelling of 448207189 in words is "four hundred forty-eight million, two hundred seven thousand, one hundred eighty-nine".