8189690 has 8 divisors (see below), whose sum is σ = 14741460. Its totient is φ = 3275872.

The previous prime is 8189683. The next prime is 8189711. The reversal of 8189690 is 969818.

It can be written as a sum of positive squares in 2 ways, for example, as 7890481 + 299209 = 2809^2 + 547^2 .

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

It is a super-2 number, since 2×8189690² = 134142044592200, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 409475 + ... + 409494.

Almost surely, 2^8189690 is an apocalyptic number.

8189690 is a deficient number, since it is larger than the sum of its proper divisors (6551770).

8189690 is a wasteful number, since it uses less digits than its factorization.

8189690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818976.

The product of its (nonzero) digits is 31104, while the sum is 41.

The square root of 8189690 is about 2861.7634423551. The cubic root of 8189690 is about 201.5684181705.

The spelling of 8189690 in words is "eight million, one hundred eighty-nine thousand, six hundred ninety".