449474856 has 16 divisors (see below), whose sum is σ = 1123687200. Its totient is φ = 149824944.

The previous prime is 449474843. The next prime is 449474869. The reversal of 449474856 is 658474944.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (449474843) and next prime (449474869).

It is a junction number, because it is equal to n+sod(n) for n = 449474799 and 449474808.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 9364036 + ... + 9364083.

It is an arithmetic number, because the mean of its divisors is an integer number (70230450).

Almost surely, 2^449474856 is an apocalyptic number.

It is an amenable number.

449474856 is an abundant number, since it is smaller than the sum of its proper divisors (674212344).

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

449474856 is a wasteful number, since it uses less digits than its factorization.

449474856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18728128 (or 18728124 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 51.

The square root of 449474856 is about 21200.8220595334. The cubic root of 449474856 is about 766.0112253989.

The spelling of 449474856 in words is "four hundred forty-nine million, four hundred seventy-four thousand, eight hundred fifty-six".