447774 has 16 divisors (see below), whose sum is σ = 920208. Its totient is φ = 145152.

The previous prime is 447757. The next prime is 447779. The reversal of 447774 is 477744.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447779) by changing a digit.

447774 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 7 ways as a sum of consecutive naturals, for example, 787 + ... + 1230.

It is an arithmetic number, because the mean of its divisors is an integer number (57513).

2⁴⁴⁷⁷⁷⁴ is an apocalyptic number.

447774 is an abundant number, since it is smaller than the sum of its proper divisors (472434).

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

447774 is a wasteful number, since it uses less digits than its factorization.

447774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2059.

The product of its digits is 21952, while the sum is 33.

The square root of 447774 is about 669.1591738891. The cubic root of 447774 is about 76.5043784072.

It can be divided in two parts, 447 and 774, that added together give a palindrome (1221).

The spelling of 447774 in words is "four hundred forty-seven thousand, seven hundred seventy-four", and thus it is an iban number.