447305 has 8 divisors (see below), whose sum is σ = 541512. Its totient is φ = 354688.

The previous prime is 447263. The next prime is 447311. The reversal of 447305 is 503744.

It can be written as a sum of positive squares in 4 ways, for example, as 22201 + 425104 = 149^2 + 652^2 .

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 447305 - 2¹⁴ = 430921 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon 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, 359 + ... + 1011.

It is an arithmetic number, because the mean of its divisors is an integer number (67689).

2⁴⁴⁷³⁰⁵ is an apocalyptic number.

It is an amenable number.

447305 is a deficient number, since it is larger than the sum of its proper divisors (94207).

447305 is a wasteful number, since it uses less digits than its factorization.

447305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 447305 is about 668.8086422887. The cubic root of 447305 is about 76.4776587615.

The spelling of 447305 in words is "four hundred forty-seven thousand, three hundred five".