449693 has 2 divisors, whose sum is σ = 449694. Its totient is φ = 449692.

The previous prime is 449689. The next prime is 449699. The reversal of 449693 is 396944.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 438244 + 11449 = 662^2 + 107^2 .

It is a cyclic number.

It is not a de Polignac number, because 449693 - 2² = 449689 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

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 449693.

It is not a weakly prime, because it can be changed into another prime (449699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224846 + 224847.

It is an arithmetic number, because the mean of its divisors is an integer number (224847).

2⁴⁴⁹⁶⁹³ is an apocalyptic number.

It is an amenable number.

449693 is a deficient number, since it is larger than the sum of its proper divisors (1).

449693 is an equidigital number, since it uses as much as digits as its factorization.

449693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 35.

The square root of 449693 is about 670.5915299197. The cubic root of 449693 is about 76.6135128308.

The spelling of 449693 in words is "four hundred forty-nine thousand, six hundred ninety-three".