1028817 has 12 divisors (see below), whose sum is σ = 1505920. Its totient is φ = 676728.

The previous prime is 1028809. The next prime is 1028837. The reversal of 1028817 is 7188201.

It is not a de Polignac number, because 1028817 - 2³ = 1028809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1028837) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13 + ... + 1434.

2^1028817 is an apocalyptic number.

It is an amenable number.

1028817 is a deficient number, since it is larger than the sum of its proper divisors (477103).

1028817 is a wasteful number, since it uses less digits than its factorization.

1028817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1532 (or 1529 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 27.

The square root of 1028817 is about 1014.3061667958. The cubic root of 1028817 is about 100.9514847215.

The spelling of 1028817 in words is "one million, twenty-eight thousand, eight hundred seventeen".