448386973 has 2 divisors, whose sum is σ = 448386974. Its totient is φ = 448386972.

The previous prime is 448386949. The next prime is 448387063. The reversal of 448386973 is 379683844.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 361114009 + 87272964 = 19003^2 + 9342^2 .

It is a cyclic number.

It is not a de Polignac number, because 448386973 - 2²¹ = 446289821 is a prime.

It is a super-2 number, since 2×448386973² = 402101755112205458, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 448386973.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (448380973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224193486 + 224193487.

It is an arithmetic number, because the mean of its divisors is an integer number (224193487).

Almost surely, 2^448386973 is an apocalyptic number.

It is an amenable number.

448386973 is a deficient number, since it is larger than the sum of its proper divisors (1).

448386973 is an equidigital number, since it uses as much as digits as its factorization.

448386973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3483648, while the sum is 52.

The square root of 448386973 is about 21175.1498932121. The cubic root of 448386973 is about 765.3927230145.

The spelling of 448386973 in words is "four hundred forty-eight million, three hundred eighty-six thousand, nine hundred seventy-three".