427444 has 6 divisors (see below), whose sum is σ = 748034. Its totient is φ = 213720.

The previous prime is 427439. The next prime is 427447. The reversal of 427444 is 444724.

It can be written as a sum of positive squares in only one way, i.e., 374544 + 52900 = 612^2 + 230^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427447) by changing a digit.

427444 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53427 + ... + 53434.

2⁴²⁷⁴⁴⁴ is an apocalyptic number.

It is an amenable number.

427444 is a deficient number, since it is larger than the sum of its proper divisors (320590).

427444 is a wasteful number, since it uses less digits than its factorization.

427444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106865 (or 106863 counting only the distinct ones).

The product of its digits is 3584, while the sum is 25.

The square root of 427444 is about 653.7920158583. The cubic root of 427444 is about 75.3285732411.

The spelling of 427444 in words is "four hundred twenty-seven thousand, four hundred forty-four", and thus it is an iban number.