106868391 has 8 divisors (see below), whose sum is σ = 162847104. Its totient is φ = 61067640.

The previous prime is 106868389. The next prime is 106868431. The reversal of 106868391 is 193868601.

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

It is not a de Polignac number, because 106868391 - 2¹ = 106868389 is a prime.

It is a super-2 number, since 2×106868391² = 22841705989857762, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106868381) 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, 2544465 + ... + 2544506.

It is an arithmetic number, because the mean of its divisors is an integer number (20355888).

Almost surely, 2^106868391 is an apocalyptic number.

106868391 is a deficient number, since it is larger than the sum of its proper divisors (55978713).

106868391 is an equidigital number, since it uses as much as digits as its factorization.

106868391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5088981.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 106868391 is about 10337.7169142901. The cubic root of 106868391 is about 474.5512156378.

The spelling of 106868391 in words is "one hundred six million, eight hundred sixty-eight thousand, three hundred ninety-one".