447889229 has 8 divisors (see below), whose sum is σ = 454896000. Its totient is φ = 440902000.

The previous prime is 447889219. The next prime is 447889231. The reversal of 447889229 is 922988744.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 447889229 - 2⁴ = 447889213 is a prime.

It is a super-2 number, since 2×447889229² = 401209522908428882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447889219) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 45272 + ... + 54270.

It is an arithmetic number, because the mean of its divisors is an integer number (56862000).

Almost surely, 2^447889229 is an apocalyptic number.

It is an amenable number.

447889229 is a deficient number, since it is larger than the sum of its proper divisors (7006771).

447889229 is an equidigital number, since it uses as much as digits as its factorization.

447889229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9771.

The product of its digits is 2322432, while the sum is 53.

The square root of 447889229 is about 21163.3936078314. The cubic root of 447889229 is about 765.1094032379.

The spelling of 447889229 in words is "four hundred forty-seven million, eight hundred eighty-nine thousand, two hundred twenty-nine".