1028608 has 60 divisors (see below), whose sum is σ = 2449062. Its totient is φ = 430080.

The previous prime is 1028597. The next prime is 1028617. The reversal of 1028608 is 8068201.

It can be written as a sum of positive squares in only one way, i.e., 1016064 + 12544 = 1008^2 + 112^2 .

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25068 + ... + 25108.

2^1028608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1028608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1224531).

1028608 is an abundant number, since it is smaller than the sum of its proper divisors (1420454).

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

1028608 is an frugal number, since it uses more digits than its factorization.

1028608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73 (or 50 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 1028608 is about 1014.2031354714. The cubic root of 1028608 is about 100.9446482971.

The spelling of 1028608 in words is "one million, twenty-eight thousand, six hundred eight".