1028536 has 16 divisors (see below), whose sum is σ = 1953000. Its totient is φ = 507744.

The previous prime is 1028509. The next prime is 1028557. The reversal of 1028536 is 6358201.

1028536 = 246² + 247² + ... + 261².

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1028536.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111 + ... + 1438.

2^1028536 is an apocalyptic number.

It is an amenable number.

1028536 is a deficient number, since it is larger than the sum of its proper divisors (924464).

1028536 is a wasteful number, since it uses less digits than its factorization.

1028536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1638 (or 1634 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1028536 is about 1014.1676390025. The cubic root of 1028536 is about 100.9422929507.

The spelling of 1028536 in words is "one million, twenty-eight thousand, five hundred thirty-six".