106286909 has 2 divisors, whose sum is σ = 106286910. Its totient is φ = 106286908.

The previous prime is 106286897. The next prime is 106286963. The reversal of 106286909 is 909682601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98942809 + 7344100 = 9947^2 + 2710^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106286909 is a prime.

It is a super-2 number, since 2×106286909² = 22593814049548562, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106286989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53143454 + 53143455.

It is an arithmetic number, because the mean of its divisors is an integer number (53143455).

Almost surely, 2^106286909 is an apocalyptic number.

It is an amenable number.

106286909 is a deficient number, since it is larger than the sum of its proper divisors (1).

106286909 is an equidigital number, since it uses as much as digits as its factorization.

106286909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 106286909 is about 10309.5542580657. The cubic root of 106286909 is about 473.6889557313.

The spelling of 106286909 in words is "one hundred six million, two hundred eighty-six thousand, nine hundred nine".