449385343 has 4 divisors (see below), whose sum is σ = 490238568. Its totient is φ = 408532120.

The previous prime is 449385329. The next prime is 449385347. The reversal of 449385343 is 343583944.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 449385343 - 2⁵ = 449385311 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 449385343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449385347) 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 3 ways as a sum of consecutive naturals, for example, 20426596 + ... + 20426617.

It is an arithmetic number, because the mean of its divisors is an integer number (122559642).

Almost surely, 2^449385343 is an apocalyptic number.

449385343 is a deficient number, since it is larger than the sum of its proper divisors (40853225).

449385343 is a wasteful number, since it uses less digits than its factorization.

449385343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40853224.

The product of its digits is 622080, while the sum is 43.

The square root of 449385343 is about 21198.7108806172. The cubic root of 449385343 is about 765.9603715975.

The spelling of 449385343 in words is "four hundred forty-nine million, three hundred eighty-five thousand, three hundred forty-three".