1080624 has 40 divisors (see below), whose sum is σ = 2856960. Its totient is φ = 351808.

The previous prime is 1080613. The next prime is 1080647. The reversal of 1080624 is 4260801.

It is a self number, because there is not a number n which added to its sum of digits gives 1080624.

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, 2017 + ... + 2495.

It is an arithmetic number, because the mean of its divisors is an integer number (71424).

2^1080624 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 1080624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1428480).

1080624 is an abundant number, since it is smaller than the sum of its proper divisors (1776336).

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

1080624 is a wasteful number, since it uses less digits than its factorization.

1080624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537 (or 531 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1080624 is about 1039.5306633284. The cubic root of 1080624 is about 102.6183127183.

The spelling of 1080624 in words is "one million, eighty thousand, six hundred twenty-four".