1028797 has 16 divisors (see below), whose sum is σ = 1327104. Its totient is φ = 774000.

The previous prime is 1028777. The next prime is 1028803. The reversal of 1028797 is 7978201.

It is a cyclic number.

It is not a de Polignac number, because 1028797 - 2⁷ = 1028669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2172 + ... + 2602.

It is an arithmetic number, because the mean of its divisors is an integer number (82944).

2^1028797 is an apocalyptic number.

It is an amenable number.

1028797 is a deficient number, since it is larger than the sum of its proper divisors (298307).

1028797 is a wasteful number, since it uses less digits than its factorization.

1028797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480.

The product of its (nonzero) digits is 7056, while the sum is 34.

The square root of 1028797 is about 1014.2963077918. The cubic root of 1028797 is about 100.9508305583.

The spelling of 1028797 in words is "one million, twenty-eight thousand, seven hundred ninety-seven".