10893209 has 4 divisors (see below), whose sum is σ = 11534004. Its totient is φ = 10252416.

The previous prime is 10893203. The next prime is 10893257. The reversal of 10893209 is 90239801.

10893209 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90239801 = 61 ⋅1479341.

It can be written as a sum of positive squares in 2 ways, for example, as 5929225 + 4963984 = 2435^2 + 2228^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10893209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10893203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320372 + ... + 320405.

It is an arithmetic number, because the mean of its divisors is an integer number (2883501).

Almost surely, 2^10893209 is an apocalyptic number.

It is an amenable number.

10893209 is a deficient number, since it is larger than the sum of its proper divisors (640795).

10893209 is an equidigital number, since it uses as much as digits as its factorization.

10893209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640794.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 10893209 is about 3300.4861763080. The cubic root of 10893209 is about 221.6759672230.

The spelling of 10893209 in words is "ten million, eight hundred ninety-three thousand, two hundred nine".