448485973 has 4 divisors (see below), whose sum is σ = 482984908. Its totient is φ = 413987040.

The previous prime is 448485971. The next prime is 448485979. The reversal of 448485973 is 379584844.

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

It can be written as a sum of positive squares in 2 ways, for example, as 192709924 + 255776049 = 13882^2 + 15993^2 .

It is a cyclic number.

It is not a de Polignac number, because 448485973 - 2¹ = 448485971 is a prime.

It is a super-2 number, since 2×448485973² = 402279335955513458, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 448485973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448485971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17249448 + ... + 17249473.

It is an arithmetic number, because the mean of its divisors is an integer number (120746227).

Almost surely, 2^448485973 is an apocalyptic number.

It is an amenable number.

448485973 is a deficient number, since it is larger than the sum of its proper divisors (34498935).

448485973 is a wasteful number, since it uses less digits than its factorization.

448485973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34498934.

The product of its digits is 3870720, while the sum is 52.

The square root of 448485973 is about 21177.4874099833. The cubic root of 448485973 is about 765.4490495866.

The spelling of 448485973 in words is "four hundred forty-eight million, four hundred eighty-five thousand, nine hundred seventy-three".