448249797 has 6 divisors (see below), whose sum is σ = 647471942. Its totient is φ = 298833192.

The previous prime is 448249793. The next prime is 448249807. The reversal of 448249797 is 797942844.

It is a happy number.

448249797 is a `hidden beast` number, since 448 + 24 + 97 + 97 = 666.

It can be written as a sum of positive squares in only one way, i.e., 231983361 + 216266436 = 15231^2 + 14706^2 .

It is not a de Polignac number, because 448249797 - 2² = 448249793 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 (448249793) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24902758 + ... + 24902775.

Almost surely, 2^448249797 is an apocalyptic number.

It is an amenable number.

448249797 is a deficient number, since it is larger than the sum of its proper divisors (199222145).

448249797 is a wasteful number, since it uses less digits than its factorization.

448249797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49805539 (or 49805536 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The square root of 448249797 is about 21171.9105656528. The cubic root of 448249797 is about 765.3146623011.

The spelling of 448249797 in words is "four hundred forty-eight million, two hundred forty-nine thousand, seven hundred ninety-seven".