106838939 has 2 divisors, whose sum is σ = 106838940. Its totient is φ = 106838938.

The previous prime is 106838923. The next prime is 106838947. The reversal of 106838939 is 939838601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 106838939 - 2⁴ = 106838923 is a prime.

It is a super-2 number, since 2×106838939² = 22829117773291442, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 106838893 and 106838902.

It is not a weakly prime, because it can be changed into another prime (106838909) 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, 53419469 + 53419470.

It is an arithmetic number, because the mean of its divisors is an integer number (53419470).

Almost surely, 2^106838939 is an apocalyptic number.

106838939 is a deficient number, since it is larger than the sum of its proper divisors (1).

106838939 is an equidigital number, since it uses as much as digits as its factorization.

106838939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 106838939 is about 10336.2923236526. The cubic root of 106838939 is about 474.5076175686.

The spelling of 106838939 in words is "one hundred six million, eight hundred thirty-eight thousand, nine hundred thirty-nine".