8689690 has 16 divisors (see below), whose sum is σ = 15863040. Its totient is φ = 3426640.

The previous prime is 8689687. The next prime is 8689711. The reversal of 8689690 is 969868.

It is a happy number.

It is a super-2 number, since 2×8689690² = 151021424592200, 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 8689690.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5410 + ... + 6829.

It is an arithmetic number, because the mean of its divisors is an integer number (991440).

Almost surely, 2^8689690 is an apocalyptic number.

8689690 is a deficient number, since it is larger than the sum of its proper divisors (7173350).

8689690 is a wasteful number, since it uses less digits than its factorization.

8689690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12317.

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 8689690 is about 2947.8280139791. The cubic root of 8689690 is about 205.5897355169.

The spelling of 8689690 in words is "eight million, six hundred eighty-nine thousand, six hundred ninety".