1028297 has 4 divisors (see below), whose sum is σ = 1038996. Its totient is φ = 1017600.

The previous prime is 1028273. The next prime is 1028303. The reversal of 1028297 is 7928201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 687241 + 341056 = 829^2 + 584^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1028297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1028207) by changing a digit.

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, 5204 + ... + 5397.

It is an arithmetic number, because the mean of its divisors is an integer number (259749).

2^1028297 is an apocalyptic number.

It is an amenable number.

1028297 is a deficient number, since it is larger than the sum of its proper divisors (10699).

1028297 is an equidigital number, since it uses as much as digits as its factorization.

1028297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10698.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 1028297 is about 1014.0498015384. The cubic root of 1028297 is about 100.9344737213.

The spelling of 1028297 in words is "one million, twenty-eight thousand, two hundred ninety-seven".