449694728 has 32 divisors (see below), whose sum is σ = 964387200. Its totient is φ = 192575232.

The previous prime is 449694671. The next prime is 449694733. The reversal of 449694728 is 827496944.

It is a self number, because there is not a number n which added to its sum of digits gives 449694728.

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 7 ways as a sum of consecutive naturals, for example, 97253 + ... + 101771.

It is an arithmetic number, because the mean of its divisors is an integer number (30137100).

Almost surely, 2^449694728 is an apocalyptic number.

It is an amenable number.

449694728 is an abundant number, since it is smaller than the sum of its proper divisors (514692472).

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

449694728 is a wasteful number, since it uses less digits than its factorization.

449694728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6309 (or 6305 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 53.

The square root of 449694728 is about 21206.0068848428. The cubic root of 449694728 is about 766.1361096294.

The spelling of 449694728 in words is "four hundred forty-nine million, six hundred ninety-four thousand, seven hundred twenty-eight".