1028016 has 90 divisors (see below), whose sum is σ = 3215940. Its totient is φ = 306240.

The previous prime is 1028011. The next prime is 1028017. The reversal of 1028016 is 6108201.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 1028016.

It is not an unprimeable number, because it can be changed into a prime (1028011) 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 17 ways as a sum of consecutive naturals, for example, 17395 + ... + 17453.

2^1028016 is an apocalyptic number.

1028016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1028016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1607970).

1028016 is an abundant number, since it is smaller than the sum of its proper divisors (2187924).

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

1028016 is a wasteful number, since it uses less digits than its factorization.

1028016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95 (or 75 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 1028016 is about 1013.9112387187. The cubic root of 1028016 is about 100.9252788515.

It can be divided in two parts, 10280 and 16, that added together give a triangular number (10296 = T₁₄₃).

The spelling of 1028016 in words is "one million, twenty-eight thousand, sixteen".