1028838 has 8 divisors (see below), whose sum is σ = 2057688. Its totient is φ = 342944.

The previous prime is 1028837. The next prime is 1028843. The reversal of 1028838 is 8388201.

It is a sphenic number, since it is the product of 3 distinct primes.

1028838 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028837) 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, 85731 + ... + 85742.

It is an arithmetic number, because the mean of its divisors is an integer number (257211).

2^1028838 is an apocalyptic number.

1028838 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1028838 is a wasteful number, since it uses less digits than its factorization.

1028838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171478.

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 1028838 is about 1014.3165186469. The cubic root of 1028838 is about 100.9521715838.

The spelling of 1028838 in words is "one million, twenty-eight thousand, eight hundred thirty-eight".