448213897 has 4 divisors (see below), whose sum is σ = 458637520. Its totient is φ = 437790276.

The previous prime is 448213889. The next prime is 448213901. The reversal of 448213897 is 798312844.

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 448213897 - 2³ = 448213889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (448213807) 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, 5211747 + ... + 5211832.

It is an arithmetic number, because the mean of its divisors is an integer number (114659380).

Almost surely, 2^448213897 is an apocalyptic number.

It is an amenable number.

448213897 is a deficient number, since it is larger than the sum of its proper divisors (10423623).

448213897 is a wasteful number, since it uses less digits than its factorization.

448213897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10423622.

The product of its digits is 387072, while the sum is 46.

The square root of 448213897 is about 21171.0627272227. The cubic root of 448213897 is about 765.2942305909.

The spelling of 448213897 in words is "four hundred forty-eight million, two hundred thirteen thousand, eight hundred ninety-seven".