1028895 has 32 divisors (see below), whose sum is σ = 1935360. Its totient is φ = 456960.

The previous prime is 1028893. The next prime is 1028903. The reversal of 1028895 is 5988201.

It is a happy number.

1028895 is a nontrivial binomial coefficient, being equal to C(1435, 2).

It is not a de Polignac number, because 1028895 - 2¹ = 1028893 is a prime.

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 polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4186 + ... + 4424.

It is an arithmetic number, because the mean of its divisors is an integer number (60480).

2^1028895 is an apocalyptic number.

1028895 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1028895 is the 1434-th triangular number.

1028895 is a deficient number, since it is larger than the sum of its proper divisors (906465).

1028895 is a wasteful number, since it uses less digits than its factorization.

1028895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295.

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 1028895 is about 1014.3446159960. The cubic root of 1028895 is about 100.9540358772.

The spelling of 1028895 in words is "one million, twenty-eight thousand, eight hundred ninety-five".