1081884 has 24 divisors (see below), whose sum is σ = 2555280. Its totient is φ = 356224.

The previous prime is 1081859. The next prime is 1081891. The reversal of 1081884 is 4881801.

It is a nialpdrome in base 12.

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, 562 + ... + 1574.

It is an arithmetic number, because the mean of its divisors is an integer number (106470).

2^1081884 is an apocalyptic number.

It is an amenable number.

1081884 is an abundant number, since it is smaller than the sum of its proper divisors (1473396).

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

1081884 is a wasteful number, since it uses less digits than its factorization.

1081884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109 (or 1107 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 30.

The square root of 1081884 is about 1040.1365294999. The cubic root of 1081884 is about 102.6581813043.

The spelling of 1081884 in words is "one million, eighty-one thousand, eight hundred eighty-four".