448857843 has 16 divisors (see below), whose sum is σ = 719973120. Its totient is φ = 242990496.

The previous prime is 448857823. The next prime is 448857847. The reversal of 448857843 is 348758844.

It is a de Polignac number, because none of the positive numbers 2^k-448857843 is a prime.

It is a super-2 number, since 2×448857843² = 402946726445225298, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (448857847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 562080 + ... + 562877.

It is an arithmetic number, because the mean of its divisors is an integer number (44998320).

Almost surely, 2^448857843 is an apocalyptic number.

448857843 is a deficient number, since it is larger than the sum of its proper divisors (271115277).

448857843 is a wasteful number, since it uses less digits than its factorization.

448857843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124986.

The product of its digits is 3440640, while the sum is 51.

The square root of 448857843 is about 21186.2654330583. The cubic root of 448857843 is about 765.6605529690.

The spelling of 448857843 in words is "four hundred forty-eight million, eight hundred fifty-seven thousand, eight hundred forty-three".