10938909 has 8 divisors (see below), whose sum is σ = 14727232. Its totient is φ = 7221600.

The previous prime is 10938853. The next prime is 10938911. The reversal of 10938909 is 90983901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10938909 - 2⁹ = 10938397 is a prime.

It is a super-2 number, since 2×10938909² = 239319460220562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10938929) 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 7 ways as a sum of consecutive naturals, for example, 17392 + ... + 18009.

It is an arithmetic number, because the mean of its divisors is an integer number (1840904).

Almost surely, 2^10938909 is an apocalyptic number.

It is an amenable number.

10938909 is a deficient number, since it is larger than the sum of its proper divisors (3788323).

10938909 is a wasteful number, since it uses less digits than its factorization.

10938909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35507.

The product of its (nonzero) digits is 17496, while the sum is 39.

The square root of 10938909 is about 3307.4021527477. The cubic root of 10938909 is about 221.9855318872.

The spelling of 10938909 in words is "ten million, nine hundred thirty-eight thousand, nine hundred nine".