106866985 has 4 divisors (see below), whose sum is σ = 128240388. Its totient is φ = 85493584.

The previous prime is 106866967. The next prime is 106867031. The reversal of 106866985 is 589668601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 68079001 + 38787984 = 8251^2 + 6228^2 .

It is a cyclic number.

It is not a de Polignac number, because 106866985 - 2¹⁹ = 106342697 is a prime.

It is a super-2 number, since 2×106866985² = 22841104965980450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10686694 + ... + 10686703.

It is an arithmetic number, because the mean of its divisors is an integer number (32060097).

Almost surely, 2^106866985 is an apocalyptic number.

It is an amenable number.

106866985 is a deficient number, since it is larger than the sum of its proper divisors (21373403).

106866985 is an equidigital number, since it uses as much as digits as its factorization.

106866985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21373402.

The product of its (nonzero) digits is 622080, while the sum is 49.

The square root of 106866985 is about 10337.6489106566. The cubic root of 106866985 is about 474.5491345050.

It can be divided in two parts, 10686 and 6985, that added together give a palindrome (17671).

The spelling of 106866985 in words is "one hundred six million, eight hundred sixty-six thousand, nine hundred eighty-five".