1028826 has 24 divisors (see below), whose sum is σ = 2268084. Its totient is φ = 336960.

The previous prime is 1028809. The next prime is 1028837. The reversal of 1028826 is 6288201.

It can be written as a sum of positive squares in 2 ways, for example, as 720801 + 308025 = 849^2 + 555^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1028826.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 630 + ... + 1566.

2^1028826 is an apocalyptic number.

1028826 is an abundant number, since it is smaller than the sum of its proper divisors (1239258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1028826 is a wasteful number, since it uses less digits than its factorization.

1028826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006 (or 1003 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 1028826 is about 1014.3106033164. The cubic root of 1028826 is about 100.9517790922.

The spelling of 1028826 in words is "one million, twenty-eight thousand, eight hundred twenty-six".