1084864 has 56 divisors (see below), whose sum is σ = 2487168. Its totient is φ = 464640.

The previous prime is 1084859. The next prime is 1084871. The reversal of 1084864 is 4684801.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16159 + ... + 16225.

2^1084864 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 1084864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1243584).

1084864 is an abundant number, since it is smaller than the sum of its proper divisors (1402304).

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

1084864 is a wasteful number, since it uses less digits than its factorization.

1084864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113 (or 103 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 1084864 is about 1041.5680486651. The cubic root of 1084864 is about 102.7523506506.

The spelling of 1084864 in words is "one million, eighty-four thousand, eight hundred sixty-four".