448689194 has 8 divisors (see below), whose sum is σ = 712624068. Its totient is φ = 211147840.

The previous prime is 448689193. The next prime is 448689209. The reversal of 448689194 is 491986844.

It can be written as a sum of positive squares in 2 ways, for example, as 445843225 + 2845969 = 21115^2 + 1687^2 .

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

It is not an unprimeable number, because it can be changed into a prime (448689193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6598337 + ... + 6598404.

Almost surely, 2^448689194 is an apocalyptic number.

448689194 is a deficient number, since it is larger than the sum of its proper divisors (263934874).

448689194 is a wasteful number, since it uses less digits than its factorization.

448689194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13196760.

The product of its digits is 1990656, while the sum is 53.

The square root of 448689194 is about 21182.2849098014. The cubic root of 448689194 is about 765.5646472798.

The spelling of 448689194 in words is "four hundred forty-eight million, six hundred eighty-nine thousand, one hundred ninety-four".