1081893 has 8 divisors (see below), whose sum is σ = 1473408. Its totient is φ = 705824.

The previous prime is 1081891. The next prime is 1081901. The reversal of 1081893 is 3981801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1081893 - 2¹ = 1081891 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1081893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3696 + ... + 3977.

It is an arithmetic number, because the mean of its divisors is an integer number (184176).

2^1081893 is an apocalyptic number.

It is an amenable number.

1081893 is a deficient number, since it is larger than the sum of its proper divisors (391515).

1081893 is an equidigital number, since it uses as much as digits as its factorization.

1081893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7723.

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 1081893 is about 1040.1408558460. The cubic root of 1081893 is about 102.6584659685.

The spelling of 1081893 in words is "one million, eighty-one thousand, eight hundred ninety-three".