10906409 has 2 divisors, whose sum is σ = 10906410. Its totient is φ = 10906408.

The previous prime is 10906387. The next prime is 10906411. The reversal of 10906409 is 90460901.

10906409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6390784 + 4515625 = 2528^2 + 2125^2 .

It is a cyclic number.

It is not a de Polignac number, because 10906409 - 2¹² = 10902313 is a prime.

Together with 10906411, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10906429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5453204 + 5453205.

It is an arithmetic number, because the mean of its divisors is an integer number (5453205).

Almost surely, 2^10906409 is an apocalyptic number.

It is an amenable number.

10906409 is a deficient number, since it is larger than the sum of its proper divisors (1).

10906409 is an equidigital number, since it uses as much as digits as its factorization.

10906409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 10906409 is about 3302.4852762730. The cubic root of 10906409 is about 221.7654707427.

The spelling of 10906409 in words is "ten million, nine hundred six thousand, four hundred nine".