448395469 has 4 divisors (see below), whose sum is σ = 448599580. Its totient is φ = 448191360.

The previous prime is 448395449. The next prime is 448395473. The reversal of 448395469 is 964593844.

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 317018025 + 131377444 = 17805^2 + 11462^2 .

It is a cyclic number.

It is not a de Polignac number, because 448395469 - 2²⁷ = 314177741 is a prime.

It is a super-2 number, since 2×448395469² = 402116993239459922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448395449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98724 + ... + 103165.

It is an arithmetic number, because the mean of its divisors is an integer number (112149895).

Almost surely, 2^448395469 is an apocalyptic number.

It is an amenable number.

448395469 is a deficient number, since it is larger than the sum of its proper divisors (204111).

448395469 is a wasteful number, since it uses less digits than its factorization.

448395469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204110.

The product of its digits is 3732480, while the sum is 52.

The square root of 448395469 is about 21175.3505047732. The cubic root of 448395469 is about 765.3975571837.

The spelling of 448395469 in words is "four hundred forty-eight million, three hundred ninety-five thousand, four hundred sixty-nine".