449843923 has 8 divisors (see below), whose sum is σ = 461313216. Its totient is φ = 438398400.

The previous prime is 449843921. The next prime is 449843939. The reversal of 449843923 is 329348944.

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 449843923 - 2¹ = 449843921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (449843921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36118 + ... + 46948.

It is an arithmetic number, because the mean of its divisors is an integer number (57664152).

Almost surely, 2^449843923 is an apocalyptic number.

449843923 is a deficient number, since it is larger than the sum of its proper divisors (11469293).

449843923 is a wasteful number, since it uses less digits than its factorization.

449843923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11885.

The product of its digits is 746496, while the sum is 46.

The square root of 449843923 is about 21209.5243463874. The cubic root of 449843923 is about 766.2208271287.

The spelling of 449843923 in words is "four hundred forty-nine million, eight hundred forty-three thousand, nine hundred twenty-three".