448397783 has 8 divisors (see below), whose sum is σ = 460819008. Its totient is φ = 435992544.

The previous prime is 448397773. The next prime is 448397837. The reversal of 448397783 is 387793844.

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

It is a cyclic number.

It is not a de Polignac number, because 448397783 - 2⁴ = 448397767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448397773) 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, 73010 + ... + 78912.

It is an arithmetic number, because the mean of its divisors is an integer number (57602376).

Almost surely, 2^448397783 is an apocalyptic number.

448397783 is a deficient number, since it is larger than the sum of its proper divisors (12421225).

448397783 is a wasteful number, since it uses less digits than its factorization.

448397783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7993.

The product of its digits is 4064256, while the sum is 53.

The square root of 448397783 is about 21175.4051437039. The cubic root of 448397783 is about 765.3988738242.

The spelling of 448397783 in words is "four hundred forty-eight million, three hundred ninety-seven thousand, seven hundred eighty-three".