447304 has 64 divisors (see below), whose sum is σ = 1088640. Its totient is φ = 168960.

The previous prime is 447263. The next prime is 447311. The reversal of 447304 is 403744.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19437 + ... + 19459.

It is an arithmetic number, because the mean of its divisors is an integer number (17010).

2⁴⁴⁷³⁰⁴ is an apocalyptic number.

447304 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 447304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (544320).

447304 is an abundant number, since it is smaller than the sum of its proper divisors (641336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

447304 is a wasteful number, since it uses less digits than its factorization.

447304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 447304 is about 668.8078946902. The cubic root of 447304 is about 76.4776017700.

The spelling of 447304 in words is "four hundred forty-seven thousand, three hundred four", and thus it is an iban number.