1430528 has 44 divisors (see below), whose sum is σ = 3144192. Its totient is φ = 645120.

The previous prime is 1430521. The next prime is 1430543. The reversal of 1430528 is 8250341.

It is a tau number, because it is divible by the number of its divisors (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1430521) 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 3 ways as a sum of consecutive naturals, for example, 11201 + ... + 11327.

2^1430528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1430528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1572096).

1430528 is an abundant number, since it is smaller than the sum of its proper divisors (1713664).

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

1430528 is a wasteful number, since it uses less digits than its factorization.

1430528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1430528 is about 1196.0468218260. The cubic root of 1430528 is about 112.6761815585.

Adding to 1430528 its reverse (8250341), we get a palindrome (9680869).

The spelling of 1430528 in words is "one million, four hundred thirty thousand, five hundred twenty-eight".