448736497 has 4 divisors (see below), whose sum is σ = 489530736. Its totient is φ = 407942260.

The previous prime is 448736489. The next prime is 448736503. The reversal of 448736497 is 794637844.

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 not a de Polignac number, because 448736497 - 2³ = 448736489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (448736597) 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, 20397103 + ... + 20397124.

It is an arithmetic number, because the mean of its divisors is an integer number (122382684).

Almost surely, 2^448736497 is an apocalyptic number.

It is an amenable number.

448736497 is a deficient number, since it is larger than the sum of its proper divisors (40794239).

448736497 is a wasteful number, since it uses less digits than its factorization.

448736497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40794238.

The product of its digits is 4064256, while the sum is 52.

The square root of 448736497 is about 21183.4014501921. The cubic root of 448736497 is about 765.5915495190.

The spelling of 448736497 in words is "four hundred forty-eight million, seven hundred thirty-six thousand, four hundred ninety-seven".