447669892 has 12 divisors (see below), whose sum is σ = 787400460. Its totient is φ = 222698336.

The previous prime is 447669889. The next prime is 447669899. The reversal of 447669892 is 298966744.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 375351876 + 72318016 = 19374^2 + 8504^2 .

It is not an unprimeable number, because it can be changed into a prime (447669899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283267 + ... + 284842.

It is an arithmetic number, because the mean of its divisors is an integer number (65616705).

Almost surely, 2^447669892 is an apocalyptic number.

It is an amenable number.

447669892 is a deficient number, since it is larger than the sum of its proper divisors (339730568).

447669892 is a wasteful number, since it uses less digits than its factorization.

447669892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568310 (or 568308 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 55.

The square root of 447669892 is about 21158.2109829730. The cubic root of 447669892 is about 764.9844882725.

The spelling of 447669892 in words is "four hundred forty-seven million, six hundred sixty-nine thousand, eight hundred ninety-two".