449838923 has 16 divisors (see below), whose sum is σ = 481724160. Its totient is φ = 419126400.

The previous prime is 449838919. The next prime is 449838973. The reversal of 449838923 is 329838944.

It is a cyclic number.

It is not a de Polignac number, because 449838923 - 2² = 449838919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (449838973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 593861 + ... + 594617.

It is an arithmetic number, because the mean of its divisors is an integer number (30107760).

Almost surely, 2^449838923 is an apocalyptic number.

449838923 is a deficient number, since it is larger than the sum of its proper divisors (31885237).

449838923 is a wasteful number, since it uses less digits than its factorization.

449838923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1478.

The product of its digits is 1492992, while the sum is 50.

The square root of 449838923 is about 21209.4064744867. The cubic root of 449838923 is about 766.2179882786.

The spelling of 449838923 in words is "four hundred forty-nine million, eight hundred thirty-eight thousand, nine hundred twenty-three".