448538917 has 4 divisors (see below), whose sum is σ = 455892076. Its totient is φ = 441185760.

The previous prime is 448538899. The next prime is 448538927. The reversal of 448538917 is 719835844.

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 216707841 + 231831076 = 14721^2 + 15226^2 .

It is a cyclic number.

It is not a de Polignac number, because 448538917 - 2⁷ = 448538789 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 (448538927) 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, 3676488 + ... + 3676609.

It is an arithmetic number, because the mean of its divisors is an integer number (113973019).

Almost surely, 2^448538917 is an apocalyptic number.

It is an amenable number.

448538917 is a deficient number, since it is larger than the sum of its proper divisors (7353159).

448538917 is an equidigital number, since it uses as much as digits as its factorization.

448538917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7353158.

The product of its digits is 967680, while the sum is 49.

The square root of 448538917 is about 21178.7373797401. The cubic root of 448538917 is about 765.4791689529.

The spelling of 448538917 in words is "four hundred forty-eight million, five hundred thirty-eight thousand, nine hundred seventeen".