1028849 has 4 divisors (see below), whose sum is σ = 1033200. Its totient is φ = 1024500.

The previous prime is 1028843. The next prime is 1028873. The reversal of 1028849 is 9488201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1028849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1028843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1799 + ... + 2300.

It is an arithmetic number, because the mean of its divisors is an integer number (258300).

2^1028849 is an apocalyptic number.

It is an amenable number.

1028849 is a deficient number, since it is larger than the sum of its proper divisors (4351).

1028849 is an equidigital number, since it uses as much as digits as its factorization.

1028849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4350.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 1028849 is about 1014.3219410030. The cubic root of 1028849 is about 100.9525313651.

The spelling of 1028849 in words is "one million, twenty-eight thousand, eight hundred forty-nine".