106321086 has 20 divisors (see below), whose sum is σ = 238238352. Its totient is φ = 35440308.

The previous prime is 106321079. The next prime is 106321087. The reversal of 106321086 is 680123601.

106321086 is a `hidden beast` number, since 10 + 632 + 10 + 8 + 6 = 666.

It is a super-2 number, since 2×106321086² = 22608346656438792, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106321087) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 327990 + ... + 328313.

Almost surely, 2^106321086 is an apocalyptic number.

106321086 is an abundant number, since it is smaller than the sum of its proper divisors (131917266).

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

106321086 is an equidigital number, since it uses as much as digits as its factorization.

106321086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656317 (or 656308 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 106321086 is about 10311.2116649790. The cubic root of 106321086 is about 473.7397225117.

Adding to 106321086 its reverse (680123601), we get a palindrome (786444687).

The spelling of 106321086 in words is "one hundred six million, three hundred twenty-one thousand, eighty-six".