8669690 has 8 divisors (see below), whose sum is σ = 15605460. Its totient is φ = 3467872.

The previous prime is 8669671. The next prime is 8669701. The reversal of 8669690 is 969668.

It can be written as a sum of positive squares in 2 ways, for example, as 8508889 + 160801 = 2917^2 + 401^2 .

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

It is a super-3 number, since 3×8669690³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 433475 + ... + 433494.

Almost surely, 2^8669690 is an apocalyptic number.

8669690 is a deficient number, since it is larger than the sum of its proper divisors (6935770).

8669690 is a wasteful number, since it uses less digits than its factorization.

8669690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866976.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 8669690 is about 2944.4337316367. The cubic root of 8669690 is about 205.4318874122.

The spelling of 8669690 in words is "eight million, six hundred sixty-nine thousand, six hundred ninety".