447380 has 12 divisors (see below), whose sum is σ = 939540. Its totient is φ = 178944.

The previous prime is 447353. The next prime is 447401. The reversal of 447380 is 83744.

It can be written as a sum of positive squares in 2 ways, for example, as 183184 + 264196 = 428^2 + 514^2 .

It is a congruent number.

It is an unprimeable number.

447380 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11165 + ... + 11204.

It is an arithmetic number, because the mean of its divisors is an integer number (78295).

2⁴⁴⁷³⁸⁰ is an apocalyptic number.

It is an amenable number.

447380 is an abundant number, since it is smaller than the sum of its proper divisors (492160).

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

447380 is a wasteful number, since it uses less digits than its factorization.

447380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22378 (or 22376 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 447380 is about 668.8647097882. The cubic root of 447380 is about 76.4819328801.

The spelling of 447380 in words is "four hundred forty-seven thousand, three hundred eighty".