1028894 has 8 divisors (see below), whose sum is σ = 1548720. Its totient is φ = 512656.

The previous prime is 1028893. The next prime is 1028903. The reversal of 1028894 is 4988201.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1028894.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028893) 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, 2 + ... + 1434.

It is an arithmetic number, because the mean of its divisors is an integer number (193590).

2^1028894 is an apocalyptic number.

1028894 is a deficient number, since it is larger than the sum of its proper divisors (519826).

1028894 is a wasteful number, since it uses less digits than its factorization.

1028894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1794.

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

The square root of 1028894 is about 1014.3441230667. The cubic root of 1028894 is about 100.9540031709.

The spelling of 1028894 in words is "one million, twenty-eight thousand, eight hundred ninety-four".