1028885 has 16 divisors (see below), whose sum is σ = 1451520. Its totient is φ = 690240.

The previous prime is 1028873. The next prime is 1028893. The reversal of 1028885 is 5888201.

It is not a de Polignac number, because 1028885 - 2¹⁶ = 963349 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5 + ... + 1434.

It is an arithmetic number, because the mean of its divisors is an integer number (90720).

2^1028885 is an apocalyptic number.

It is an amenable number.

1028885 is a deficient number, since it is larger than the sum of its proper divisors (422635).

1028885 is a wasteful number, since it uses less digits than its factorization.

1028885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1468.

The product of its (nonzero) digits is 5120, while the sum is 32.

The square root of 1028885 is about 1014.3396866928. The cubic root of 1028885 is about 100.9537088131.

The spelling of 1028885 in words is "one million, twenty-eight thousand, eight hundred eighty-five".