1028704 has 48 divisors (see below), whose sum is σ = 2249856. Its totient is φ = 460800.

The previous prime is 1028683. The next prime is 1028737. The reversal of 1028704 is 4078201.

1028704 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16834 + ... + 16894.

It is an arithmetic number, because the mean of its divisors is an integer number (46872).

2^1028704 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 1028704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1124928).

1028704 is an abundant number, since it is smaller than the sum of its proper divisors (1221152).

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

1028704 is a wasteful number, since it uses less digits than its factorization.

1028704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 1028704 is about 1014.2504621641. The cubic root of 1028704 is about 100.9477885879.

The spelling of 1028704 in words is "one million, twenty-eight thousand, seven hundred four".