448442497 has 4 divisors (see below), whose sum is σ = 462908416. Its totient is φ = 433976580.

The previous prime is 448442471. The next prime is 448442509. The reversal of 448442497 is 794244844.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 448442497 - 2¹¹ = 448440449 is a prime.

It is a super-2 number, since 2×448442497² = 402201346231190018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (448442417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7232913 + ... + 7232974.

It is an arithmetic number, because the mean of its divisors is an integer number (115727104).

Almost surely, 2^448442497 is an apocalyptic number.

It is an amenable number.

448442497 is a deficient number, since it is larger than the sum of its proper divisors (14465919).

448442497 is a wasteful number, since it uses less digits than its factorization.

448442497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14465918.

The product of its digits is 1032192, while the sum is 46.

The square root of 448442497 is about 21176.4609177266. The cubic root of 448442497 is about 765.4243147080.

The spelling of 448442497 in words is "four hundred forty-eight million, four hundred forty-two thousand, four hundred ninety-seven".