447669445 has 8 divisors (see below), whose sum is σ = 537467544. Its totient is φ = 357959424.

The previous prime is 447669437. The next prime is 447669451. The reversal of 447669445 is 544966744.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8305924 + 439363521 = 2882^2 + 20961^2 .

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 447669445 - 2³ = 447669437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10264 + ... + 31633.

It is an arithmetic number, because the mean of its divisors is an integer number (67183443).

Almost surely, 2^447669445 is an apocalyptic number.

It is an amenable number.

447669445 is a deficient number, since it is larger than the sum of its proper divisors (89798099).

447669445 is a wasteful number, since it uses less digits than its factorization.

447669445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44039.

The product of its digits is 2903040, while the sum is 49.

The square root of 447669445 is about 21158.2004196954. The cubic root of 447669445 is about 764.9842336591.

The spelling of 447669445 in words is "four hundred forty-seven million, six hundred sixty-nine thousand, four hundred forty-five".