448939858 has 4 divisors (see below), whose sum is σ = 673409790. Its totient is φ = 224469928.

The previous prime is 448939819. The next prime is 448939877. The reversal of 448939858 is 858939844.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 328225689 + 120714169 = 18117^2 + 10987^2 .

It is a super-2 number, since 2×448939858² = 403093992202120328, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112234963 + ... + 112234966.

Almost surely, 2^448939858 is an apocalyptic number.

448939858 is a deficient number, since it is larger than the sum of its proper divisors (224469932).

448939858 is a wasteful number, since it uses less digits than its factorization.

448939858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224469931.

The product of its digits is 9953280, while the sum is 58.

The square root of 448939858 is about 21188.2009146600. The cubic root of 448939858 is about 765.7071837877.

The spelling of 448939858 in words is "four hundred forty-eight million, nine hundred thirty-nine thousand, eight hundred fifty-eight".