449609892 has 24 divisors (see below), whose sum is σ = 1073488416. Its totient is φ = 146384448.

The previous prime is 449609887. The next prime is 449609893. The reversal of 449609892 is 298906944.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (449609893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 435153 + ... + 436184.

It is an arithmetic number, because the mean of its divisors is an integer number (44728684).

Almost surely, 2^449609892 is an apocalyptic number.

It is an amenable number.

449609892 is an abundant number, since it is smaller than the sum of its proper divisors (623878524).

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

449609892 is a wasteful number, since it uses less digits than its factorization.

449609892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871387 (or 871385 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 51.

The square root of 449609892 is about 21204.0065082050. The cubic root of 449609892 is about 766.0879287883.

The spelling of 449609892 in words is "four hundred forty-nine million, six hundred nine thousand, eight hundred ninety-two".