106890189 has 8 divisors (see below), whose sum is σ = 162880320. Its totient is φ = 61080096.

The previous prime is 106890163. The next prime is 106890193. The reversal of 106890189 is 981098601.

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

It is not a de Polignac number, because 106890189 - 2⁷ = 106890061 is a prime.

It is a super-2 number, since 2×106890189² = 22851025008911442, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 106890189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106890089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2544984 + ... + 2545025.

It is an arithmetic number, because the mean of its divisors is an integer number (20360040).

Almost surely, 2^106890189 is an apocalyptic number.

It is an amenable number.

106890189 is a deficient number, since it is larger than the sum of its proper divisors (55990131).

106890189 is an equidigital number, since it uses as much as digits as its factorization.

106890189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5090019.

The product of its (nonzero) digits is 31104, while the sum is 42.

The square root of 106890189 is about 10338.7711552196. The cubic root of 106890189 is about 474.5834782619.

The spelling of 106890189 in words is "one hundred six million, eight hundred ninety thousand, one hundred eighty-nine".