447147329 has 8 divisors (see below), whose sum is σ = 452305728. Its totient is φ = 442007280.

The previous prime is 447147307. The next prime is 447147367. The reversal of 447147329 is 923741744.

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 447147329 - 2¹² = 447143233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (447147529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47819 + ... + 56399.

It is an arithmetic number, because the mean of its divisors is an integer number (56538216).

Almost surely, 2^447147329 is an apocalyptic number.

It is an amenable number.

447147329 is a deficient number, since it is larger than the sum of its proper divisors (5158399).

447147329 is a wasteful number, since it uses less digits than its factorization.

447147329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9175.

The product of its digits is 169344, while the sum is 41.

The square root of 447147329 is about 21145.8584361099. The cubic root of 447147329 is about 764.6867180923.

The spelling of 447147329 in words is "four hundred forty-seven million, one hundred forty-seven thousand, three hundred twenty-nine".