1028396 has 6 divisors (see below), whose sum is σ = 1799700. Its totient is φ = 514196.

The previous prime is 1028393. The next prime is 1028411. The reversal of 1028396 is 6938201.

It is not an unprimeable number, because it can be changed into a prime (1028393) 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 as a sum of consecutive naturals, namely, 128546 + ... + 128553.

It is an arithmetic number, because the mean of its divisors is an integer number (299950).

2^1028396 is an apocalyptic number.

It is an amenable number.

1028396 is a deficient number, since it is larger than the sum of its proper divisors (771304).

1028396 is a wasteful number, since it uses less digits than its factorization.

1028396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257103 (or 257101 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 1028396 is about 1014.0986145341. The cubic root of 1028396 is about 100.9377127959.

The spelling of 1028396 in words is "one million, twenty-eight thousand, three hundred ninety-six".