447900 has 36 divisors (see below), whose sum is σ = 1296792. Its totient is φ = 119360.

The previous prime is 447893. The next prime is 447901. The reversal of 447900 is 9744.

It is a super-2 number, since 2×447900² = 401228820000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447901) by changing a digit.

447900 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 11 ways as a sum of consecutive naturals, for example, 447 + ... + 1046.

It is an arithmetic number, because the mean of its divisors is an integer number (36022).

2⁴⁴⁷⁹⁰⁰ is an apocalyptic number.

It is an amenable number.

447900 is an abundant number, since it is smaller than the sum of its proper divisors (848892).

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

447900 is a wasteful number, since it uses less digits than its factorization.

447900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1510 (or 1503 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 447900 is about 669.2533152701. The cubic root of 447900 is about 76.5115536397.

The spelling of 447900 in words is "four hundred forty-seven thousand, nine hundred".