1442628 has 36 divisors (see below), whose sum is σ = 3979248. Its totient is φ = 437040.

The previous prime is 1442627. The next prime is 1442633. The reversal of 1442628 is 8262441.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (1442621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1426 + ... + 2217.

2^1442628 is an apocalyptic number.

1442628 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1442628 is an abundant number, since it is smaller than the sum of its proper divisors (2536620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1442628 is a wasteful number, since it uses less digits than its factorization.

1442628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3664 (or 3659 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 1442628 is about 1201.0945008616. The cubic root of 1442628 is about 112.9929773483.

It can be divided in two parts, 144 and 2628, that added together give a palindrome (2772).

The spelling of 1442628 in words is "one million, four hundred forty-two thousand, six hundred twenty-eight".