1240444 has 6 divisors (see below), whose sum is σ = 2170784. Its totient is φ = 620220.

The previous prime is 1240423. The next prime is 1240483. The reversal of 1240444 is 4440421.

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 as a sum of consecutive naturals, namely, 155052 + ... + 155059.

2^1240444 is an apocalyptic number.

It is an amenable number.

1240444 is a deficient number, since it is larger than the sum of its proper divisors (930340).

1240444 is a wasteful number, since it uses less digits than its factorization.

1240444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310115 (or 310113 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 1240444 is about 1113.7522166083. The cubic root of 1240444 is about 107.4465283015.

Adding to 1240444 its reverse (4440421), we get a palindrome (5680865).

The spelling of 1240444 in words is "one million, two hundred forty thousand, four hundred forty-four".