1081844 has 6 divisors (see below), whose sum is σ = 1893234. Its totient is φ = 540920.

The previous prime is 1081823. The next prime is 1081853. The reversal of 1081844 is 4481801.

It can be written as a sum of positive squares in only one way, i.e., 659344 + 422500 = 812^2 + 650^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135227 + ... + 135234.

It is an arithmetic number, because the mean of its divisors is an integer number (315539).

2^1081844 is an apocalyptic number.

It is an amenable number.

1081844 is a deficient number, since it is larger than the sum of its proper divisors (811390).

1081844 is a wasteful number, since it uses less digits than its factorization.

1081844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270465 (or 270463 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 1081844 is about 1040.1173010771. The cubic root of 1081844 is about 102.6569161108.

The spelling of 1081844 in words is "one million, eighty-one thousand, eight hundred forty-four".