10993189 has 4 divisors (see below), whose sum is σ = 11347840. Its totient is φ = 10638540.

The previous prime is 10993187. The next prime is 10993193. The reversal of 10993189 is 98139901.

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 a cyclic number.

It is not a de Polignac number, because 10993189 - 2¹ = 10993187 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10993187) 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, 177279 + ... + 177340.

It is an arithmetic number, because the mean of its divisors is an integer number (2836960).

Almost surely, 2^10993189 is an apocalyptic number.

It is an amenable number.

10993189 is a deficient number, since it is larger than the sum of its proper divisors (354651).

10993189 is an equidigital number, since it uses as much as digits as its factorization.

10993189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354650.

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

The square root of 10993189 is about 3315.5978344787. The cubic root of 10993189 is about 222.3520979787.

The spelling of 10993189 in words is "ten million, nine hundred ninety-three thousand, one hundred eighty-nine".