448398737 has 2 divisors, whose sum is σ = 448398738. Its totient is φ = 448398736.

The previous prime is 448398701. The next prime is 448398781. The reversal of 448398737 is 737893844.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 441168016 + 7230721 = 21004^2 + 2689^2 .

It is a cyclic number.

It is not a de Polignac number, because 448398737 - 2²² = 444204433 is a prime.

It is a super-2 number, since 2×448398737² = 402122854686390338, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (448398337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224199368 + 224199369.

It is an arithmetic number, because the mean of its divisors is an integer number (224199369).

Almost surely, 2^448398737 is an apocalyptic number.

It is an amenable number.

448398737 is a deficient number, since it is larger than the sum of its proper divisors (1).

448398737 is an equidigital number, since it uses as much as digits as its factorization.

448398737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4064256, while the sum is 53.

The square root of 448398737 is about 21175.4276698252. The cubic root of 448398737 is about 765.3994166384.

The spelling of 448398737 in words is "four hundred forty-eight million, three hundred ninety-eight thousand, seven hundred thirty-seven".