10993389 has 16 divisors (see below), whose sum is σ = 16118784. Its totient is φ = 6609200.

The previous prime is 10993361. The next prime is 10993393. The reversal of 10993389 is 98339901.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10993389 - 2⁸ = 10993133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10993389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10993309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3052 + ... + 5594.

It is an arithmetic number, because the mean of its divisors is an integer number (1007424).

Almost surely, 2^10993389 is an apocalyptic number.

It is an amenable number.

10993389 is a deficient number, since it is larger than the sum of its proper divisors (5125395).

10993389 is a wasteful number, since it uses less digits than its factorization.

10993389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2688.

The product of its (nonzero) digits is 52488, while the sum is 42.

The square root of 10993389 is about 3315.6279948149. The cubic root of 10993389 is about 222.3534463939.

It can be divided in two parts, 10 and 993389, that added together give a palindrome (993399).

The spelling of 10993389 in words is "ten million, nine hundred ninety-three thousand, three hundred eighty-nine".