447790 has 16 divisors (see below), whose sum is σ = 921312. Its totient is φ = 153504.

The previous prime is 447779. The next prime is 447791. The reversal of 447790 is 97744.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447791) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3129 + ... + 3268.

It is an arithmetic number, because the mean of its divisors is an integer number (57582).

2⁴⁴⁷⁷⁹⁰ is an apocalyptic number.

447790 is an abundant number, since it is smaller than the sum of its proper divisors (473522).

It is a weird number, because it is abundant, but not a pseudoperfect number.

447790 is a wasteful number, since it uses less digits than its factorization.

447790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6411.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 447790 is about 669.1711290843. The cubic root of 447790 is about 76.5052896224.

The spelling of 447790 in words is "four hundred forty-seven thousand, seven hundred ninety".