10918993 has 8 divisors (see below), whose sum is σ = 11537280. Its totient is φ = 10316880.

The previous prime is 10918991. The next prime is 10919011. The reversal of 10918993 is 39981901.

10918993 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 10918993 - 2¹ = 10918991 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10918991) 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 7 ways as a sum of consecutive naturals, for example, 2643 + ... + 5368.

It is an arithmetic number, because the mean of its divisors is an integer number (1442160).

Almost surely, 2^10918993 is an apocalyptic number.

It is an amenable number.

10918993 is a deficient number, since it is larger than the sum of its proper divisors (618287).

10918993 is an equidigital number, since it uses as much as digits as its factorization.

10918993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8087.

The product of its (nonzero) digits is 17496, while the sum is 40.

The square root of 10918993 is about 3304.3899588275. The cubic root of 10918993 is about 221.8507302158.

It can be divided in two parts, 10918 and 993, that added together give a palindrome (11911).

The spelling of 10918993 in words is "ten million, nine hundred eighteen thousand, nine hundred ninety-three".