106686906 has 16 divisors (see below), whose sum is σ = 215487648. Its totient is φ = 35210000.

The previous prime is 106686901. The next prime is 106686907. The reversal of 106686906 is 609686601.

It is a super-2 number, since 2×106686906² = 22764191823705672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106686901) 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 in 7 ways as a sum of consecutive naturals, for example, 87420 + ... + 88631.

It is an arithmetic number, because the mean of its divisors is an integer number (13467978).

Almost surely, 2^106686906 is an apocalyptic number.

106686906 is an abundant number, since it is smaller than the sum of its proper divisors (108800742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

106686906 is a wasteful number, since it uses less digits than its factorization.

106686906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176157.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 106686906 is about 10328.9353759233. The cubic root of 106686906 is about 474.2824341806.

The spelling of 106686906 in words is "one hundred six million, six hundred eighty-six thousand, nine hundred six".