1028534 has 24 divisors (see below), whose sum is σ = 1778760. Its totient is φ = 444288.

The previous prime is 1028509. The next prime is 1028557. The reversal of 1028534 is 4358201.

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 in 11 ways as a sum of consecutive naturals, for example, 5657 + ... + 5835.

It is an arithmetic number, because the mean of its divisors is an integer number (74115).

2^1028534 is an apocalyptic number.

1028534 is a deficient number, since it is larger than the sum of its proper divisors (750226).

1028534 is a wasteful number, since it uses less digits than its factorization.

1028534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224 (or 211 counting only the distinct ones).

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

The square root of 1028534 is about 1014.1666529718. The cubic root of 1028534 is about 100.9422275229.

The spelling of 1028534 in words is "one million, twenty-eight thousand, five hundred thirty-four".