449929 has 2 divisors, whose sum is σ = 449930. Its totient is φ = 449928.

The previous prime is 449921. The next prime is 449941. The reversal of 449929 is 929944.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 273529 + 176400 = 523^2 + 420^2 .

It is a cyclic number.

It is not a de Polignac number, because 449929 - 2³ = 449921 is a prime.

It is a super-2 number, since 2×449929² = 404872210082, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (449921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224964 + 224965.

It is an arithmetic number, because the mean of its divisors is an integer number (224965).

2⁴⁴⁹⁹²⁹ is an apocalyptic number.

It is an amenable number.

449929 is a deficient number, since it is larger than the sum of its proper divisors (1).

449929 is an equidigital number, since it uses as much as digits as its factorization.

449929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 37.

The square root of 449929 is about 670.7674708869. The cubic root of 449929 is about 76.6269128074.

It can be divided in two parts, 449 and 929, that added together give a triangular number (1378 = T₅₂).

The spelling of 449929 in words is "four hundred forty-nine thousand, nine hundred twenty-nine".