1428244 has 12 divisors (see below), whose sum is σ = 2546964. Its totient is φ = 700544.

The previous prime is 1428233. The next prime is 1428247. The reversal of 1428244 is 4428241.

It can be written as a sum of positive squares in 2 ways, for example, as 883600 + 544644 = 940^2 + 738^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3157 + ... + 3580.

It is an arithmetic number, because the mean of its divisors is an integer number (212247).

2^1428244 is an apocalyptic number.

It is an amenable number.

1428244 is a deficient number, since it is larger than the sum of its proper divisors (1118720).

1428244 is a wasteful number, since it uses less digits than its factorization.

1428244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6794 (or 6792 counting only the distinct ones).

The product of its digits is 2048, while the sum is 25.

The square root of 1428244 is about 1195.0916282863. The cubic root of 1428244 is about 112.6161828531.

The spelling of 1428244 in words is "one million, four hundred twenty-eight thousand, two hundred forty-four".