449685966 has 8 divisors (see below), whose sum is σ = 899371944. Its totient is φ = 149895320.

The previous prime is 449685941. The next prime is 449685979. The reversal of 449685966 is 669586944.

It is a happy number.

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

449685966 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 37473825 + ... + 37473836.

It is an arithmetic number, because the mean of its divisors is an integer number (112421493).

Almost surely, 2^449685966 is an apocalyptic number.

449685966 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.

449685966 is a wasteful number, since it uses less digits than its factorization.

449685966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74947666.

The product of its digits is 11197440, while the sum is 57.

The square root of 449685966 is about 21205.8002914297. The cubic root of 449685966 is about 766.1311337144.

The spelling of 449685966 in words is "four hundred forty-nine million, six hundred eighty-five thousand, nine hundred sixty-six".