10906909 has 4 divisors (see below), whose sum is σ = 11745916. Its totient is φ = 10067904.

The previous prime is 10906849. The next prime is 10906919. The reversal of 10906909 is 90960901.

It is a happy number.

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 525625 + 10381284 = 725^2 + 3222^2 .

It is a cyclic number.

It is not a de Polignac number, because 10906909 - 2²³ = 2518301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10906919) 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, 419484 + ... + 419509.

It is an arithmetic number, because the mean of its divisors is an integer number (2936479).

Almost surely, 2^10906909 is an apocalyptic number.

It is an amenable number.

10906909 is a deficient number, since it is larger than the sum of its proper divisors (839007).

10906909 is an equidigital number, since it uses as much as digits as its factorization.

10906909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839006.

The product of its (nonzero) digits is 4374, while the sum is 34.

The square root of 10906909 is about 3302.5609759700. The cubic root of 10906909 is about 221.7688596077.

The spelling of 10906909 in words is "ten million, nine hundred six thousand, nine hundred nine".