1093481 has 4 divisors (see below), whose sum is σ = 1104852. Its totient is φ = 1082112.

The previous prime is 1093441. The next prime is 1093487. The reversal of 1093481 is 1843901.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 379456 + 714025 = 616^2 + 845^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1093481 is a prime.

It is a super-2 number, since 2×1093481² = 2391401394722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1093481.

It is not an unprimeable number, because it can be changed into a prime (1093487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5540 + ... + 5733.

It is an arithmetic number, because the mean of its divisors is an integer number (276213).

2^1093481 is an apocalyptic number.

It is an amenable number.

1093481 is a deficient number, since it is larger than the sum of its proper divisors (11371).

1093481 is an equidigital number, since it uses as much as digits as its factorization.

1093481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11370.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 1093481 is about 1045.6964186608. The cubic root of 1093481 is about 103.0236851303.

The spelling of 1093481 in words is "one million, ninety-three thousand, four hundred eighty-one".