1093881 has 4 divisors (see below), whose sum is σ = 1458512. Its totient is φ = 729252.

The previous prime is 1093871. The next prime is 1093889. The reversal of 1093881 is 1883901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1093881 - 2⁷ = 1093753 is a prime.

It is a super-2 number, since 2×1093881² = 2393151284322, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1093889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182311 + ... + 182316.

It is an arithmetic number, because the mean of its divisors is an integer number (364628).

2^1093881 is an apocalyptic number.

It is an amenable number.

1093881 is a deficient number, since it is larger than the sum of its proper divisors (364631).

1093881 is an equidigital number, since it uses as much as digits as its factorization.

1093881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364630.

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

The square root of 1093881 is about 1045.8876612715. The cubic root of 1093881 is about 103.0362457662.

The spelling of 1093881 in words is "one million, ninety-three thousand, eight hundred eighty-one".