1028516 has 12 divisors (see below), whose sum is σ = 1807260. Its totient is φ = 512160.

The previous prime is 1028509. The next prime is 1028557. The reversal of 1028516 is 6158201.

It can be written as a sum of positive squares in 2 ways, for example, as 532900 + 495616 = 730^2 + 704^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1028491 and 1028500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1226 + ... + 1886.

It is an arithmetic number, because the mean of its divisors is an integer number (150605).

2^1028516 is an apocalyptic number.

It is an amenable number.

1028516 is a deficient number, since it is larger than the sum of its proper divisors (778744).

1028516 is a wasteful number, since it uses less digits than its factorization.

1028516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054 (or 1052 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 1028516 is about 1014.1577786518. The cubic root of 1028516 is about 100.9416386683.

It can be divided in two parts, 10285 and 16, that added together give a palindrome (10301).

The spelling of 1028516 in words is "one million, twenty-eight thousand, five hundred sixteen".