447340 has 12 divisors (see below), whose sum is σ = 939456. Its totient is φ = 178928.

The previous prime is 447331. The next prime is 447353. The reversal of 447340 is 43744.

It is a super-2 number, since 2×447340² = 400226151200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11164 + ... + 11203.

It is an arithmetic number, because the mean of its divisors is an integer number (78288).

2⁴⁴⁷³⁴⁰ is an apocalyptic number.

It is an amenable number.

447340 is an abundant number, since it is smaller than the sum of its proper divisors (492116).

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

447340 is a wasteful number, since it uses less digits than its factorization.

447340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22376 (or 22374 counting only the distinct ones).

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

The square root of 447340 is about 668.8348077067. The cubic root of 447340 is about 76.4796534096.

It can be divided in two parts, 447 and 340, that added together give a palindrome (787).

The spelling of 447340 in words is "four hundred forty-seven thousand, three hundred forty", and thus it is an iban number.