449919343 has 8 divisors (see below), whose sum is σ = 452227968. Its totient is φ = 447616344.

The previous prime is 449919329. The next prime is 449919359. The reversal of 449919343 is 343919944.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 449919343 - 2⁹ = 449918831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 449919293 and 449919302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449919313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328446 + ... + 329812.

It is an arithmetic number, because the mean of its divisors is an integer number (56528496).

Almost surely, 2^449919343 is an apocalyptic number.

449919343 is a deficient number, since it is larger than the sum of its proper divisors (2308625).

449919343 is a wasteful number, since it uses less digits than its factorization.

449919343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2813.

The product of its digits is 419904, while the sum is 46.

The square root of 449919343 is about 21211.3022466797. The cubic root of 449919343 is about 766.2636457913.

The spelling of 449919343 in words is "four hundred forty-nine million, nine hundred nineteen thousand, three hundred forty-three".