449085397 has 2 divisors, whose sum is σ = 449085398. Its totient is φ = 449085396.

The previous prime is 449085353. The next prime is 449085401. The reversal of 449085397 is 793580944.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 266538276 + 182547121 = 16326^2 + 13511^2 .

It is a cyclic number.

It is not a de Polignac number, because 449085397 - 2¹⁵ = 449052629 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 449085397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (449085697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224542698 + 224542699.

It is an arithmetic number, because the mean of its divisors is an integer number (224542699).

Almost surely, 2^449085397 is an apocalyptic number.

It is an amenable number.

449085397 is a deficient number, since it is larger than the sum of its proper divisors (1).

449085397 is an equidigital number, since it uses as much as digits as its factorization.

449085397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The square root of 449085397 is about 21191.6350714144. The cubic root of 449085397 is about 765.7899181195.

It can be divided in two parts, 44908 and 5397, that added together give a palindrome (50305).

The spelling of 449085397 in words is "four hundred forty-nine million, eighty-five thousand, three hundred ninety-seven".