448092389 has 2 divisors, whose sum is σ = 448092390. Its totient is φ = 448092388.

The previous prime is 448092361. The next prime is 448092391. The reversal of 448092389 is 983290844.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 442050625 + 6041764 = 21025^2 + 2458^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-448092389 is a prime.

Together with 448092391, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (448092889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224046194 + 224046195.

It is an arithmetic number, because the mean of its divisors is an integer number (224046195).

Almost surely, 2^448092389 is an apocalyptic number.

It is an amenable number.

448092389 is a deficient number, since it is larger than the sum of its proper divisors (1).

448092389 is an equidigital number, since it uses as much as digits as its factorization.

448092389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 497664, while the sum is 47.

The square root of 448092389 is about 21168.1928609884. The cubic root of 448092389 is about 765.2250688385.

It can be divided in two parts, 4480 and 92389, that added together give a palindrome (96869).

The spelling of 448092389 in words is "four hundred forty-eight million, ninety-two thousand, three hundred eighty-nine".