448862919 has 12 divisors (see below), whose sum is σ = 618416568. Its totient is φ = 289587120.

The previous prime is 448862903. The next prime is 448862929. The reversal of 448862919 is 919268844.

It is not a de Polignac number, because 448862919 - 2⁴ = 448862903 is a prime.

It is a super-2 number, since 2×448862919² = 402955840106401122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448862929) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74964 + ... + 80729.

It is an arithmetic number, because the mean of its divisors is an integer number (51534714).

Almost surely, 2^448862919 is an apocalyptic number.

448862919 is a deficient number, since it is larger than the sum of its proper divisors (169553649).

448862919 is a wasteful number, since it uses less digits than its factorization.

448862919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155758 (or 155727 counting only the distinct ones).

The product of its digits is 995328, while the sum is 51.

The square root of 448862919 is about 21186.3852273105. The cubic root of 448862919 is about 765.6634391674.

The spelling of 448862919 in words is "four hundred forty-eight million, eight hundred sixty-two thousand, nine hundred nineteen".