447045919 has 16 divisors (see below), whose sum is σ = 464857344. Its totient is φ = 429624000.

The previous prime is 447045899. The next prime is 447045943. The reversal of 447045919 is 919540744.

It is a cyclic number.

It is not a de Polignac number, because 447045919 - 2¹⁹ = 446521631 is a prime.

It is a super-2 number, since 2×447045919² = 399700107389109122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447045959) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1008912 + ... + 1009354.

It is an arithmetic number, because the mean of its divisors is an integer number (29053584).

Almost surely, 2^447045919 is an apocalyptic number.

447045919 is a deficient number, since it is larger than the sum of its proper divisors (17811425).

447045919 is a wasteful number, since it uses less digits than its factorization.

447045919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 447045919 is about 21143.4604310647. The cubic root of 447045919 is about 764.6289051239.

The spelling of 447045919 in words is "four hundred forty-seven million, forty-five thousand, nine hundred nineteen".