8506690 has 32 divisors (see below), whose sum is σ = 15941376. Its totient is φ = 3265920.

The previous prime is 8506651. The next prime is 8506703. The reversal of 8506690 is 966058.

It is a super-2 number, since 2×8506690² = 144727549512200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31255 + ... + 31525.

It is an arithmetic number, because the mean of its divisors is an integer number (498168).

Almost surely, 2^8506690 is an apocalyptic number.

8506690 is a deficient number, since it is larger than the sum of its proper divisors (7434686).

8506690 is a wasteful number, since it uses less digits than its factorization.

8506690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 8506690 is about 2916.6230472929. The cubic root of 8506690 is about 204.1362827662.

The spelling of 8506690 in words is "eight million, five hundred six thousand, six hundred ninety".