449831922 has 8 divisors (see below), whose sum is σ = 899663856. Its totient is φ = 149943972.

The previous prime is 449831891. The next prime is 449831923. The reversal of 449831922 is 229138944.

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

449831922 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (449831923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37485988 + ... + 37485999.

It is an arithmetic number, because the mean of its divisors is an integer number (112457982).

Almost surely, 2^449831922 is an apocalyptic number.

449831922 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

449831922 is a wasteful number, since it uses less digits than its factorization.

449831922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74971992.

The product of its digits is 124416, while the sum is 42.

The square root of 449831922 is about 21209.2414291506. The cubic root of 449831922 is about 766.2140132854.

The spelling of 449831922 in words is "four hundred forty-nine million, eight hundred thirty-one thousand, nine hundred twenty-two".