449663 has 2 divisors, whose sum is σ = 449664. Its totient is φ = 449662.

The previous prime is 449653. The next prime is 449671. The reversal of 449663 is 366944.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 449663 - 2¹² = 445567 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 449663.

It is not a weakly prime, because it can be changed into another prime (449653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224831 + 224832.

It is an arithmetic number, because the mean of its divisors is an integer number (224832).

2⁴⁴⁹⁶⁶³ is an apocalyptic number.

449663 is a deficient number, since it is larger than the sum of its proper divisors (1).

449663 is an equidigital number, since it uses as much as digits as its factorization.

449663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 32.

The square root of 449663 is about 670.5691612354. The cubic root of 449663 is about 76.6118091081.

The spelling of 449663 in words is "four hundred forty-nine thousand, six hundred sixty-three".