447140 has 24 divisors (see below), whose sum is σ = 954240. Its totient is φ = 175968.

The previous prime is 447137. The next prime is 447173. The reversal of 447140 is 41744.

447140 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 1439 + ... + 1721.

It is an arithmetic number, because the mean of its divisors is an integer number (39760).

2⁴⁴⁷¹⁴⁰ is an apocalyptic number.

It is an amenable number.

447140 is an abundant number, since it is smaller than the sum of its proper divisors (507100).

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

447140 is a wasteful number, since it uses less digits than its factorization.

447140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371 (or 369 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 447140 is about 668.6852772418. The cubic root of 447140 is about 76.4682540186.

Adding to 447140 its reverse (41744), we get a palindrome (488884).

The spelling of 447140 in words is "four hundred forty-seven thousand, one hundred forty", and thus it is an iban number.