1427444 has 12 divisors (see below), whose sum is σ = 2515044. Its totient is φ = 708864.

The previous prime is 1427431. The next prime is 1427453. The reversal of 1427444 is 4447241.

It can be written as a sum of positive squares in 2 ways, for example, as 879844 + 547600 = 938^2 + 740^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 509 + ... + 1764.

It is an arithmetic number, because the mean of its divisors is an integer number (209587).

2^1427444 is an apocalyptic number.

It is an amenable number.

1427444 is a deficient number, since it is larger than the sum of its proper divisors (1087600).

1427444 is a wasteful number, since it uses less digits than its factorization.

1427444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2434 (or 2432 counting only the distinct ones).

The product of its digits is 3584, while the sum is 26.

The square root of 1427444 is about 1194.7568790344. The cubic root of 1427444 is about 112.5951524193.

The spelling of 1427444 in words is "one million, four hundred twenty-seven thousand, four hundred forty-four".