1442428 has 12 divisors (see below), whose sum is σ = 2718520. Its totient is φ = 665712.

The previous prime is 1442411. The next prime is 1442429. The reversal of 1442428 is 8242441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442429) 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, 13818 + ... + 13921.

2^1442428 is an apocalyptic number.

It is an amenable number.

1442428 is a deficient number, since it is larger than the sum of its proper divisors (1276092).

1442428 is a wasteful number, since it uses less digits than its factorization.

1442428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27756 (or 27754 counting only the distinct ones).

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

The square root of 1442428 is about 1201.0112405802. The cubic root of 1442428 is about 112.9877554801.

Adding to 1442428 its reverse (8242441), we get a palindrome (9684869).

The spelling of 1442428 in words is "one million, four hundred forty-two thousand, four hundred twenty-eight".