8666630 has 48 divisors (see below), whose sum is σ = 18960480. Its totient is φ = 2838528.

The previous prime is 8666627. The next prime is 8666681. The reversal of 8666630 is 366668.

It is a super-2 number, since 2×8666630² = 150220951113800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a nialpdrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10886 + ... + 11654.

It is an arithmetic number, because the mean of its divisors is an integer number (395010).

Almost surely, 2^8666630 is an apocalyptic number.

8666630 is an abundant number, since it is smaller than the sum of its proper divisors (10293850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8666630 is a wasteful number, since it uses less digits than its factorization.

8666630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813 (or 806 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 8666630 is about 2943.9140612457. The cubic root of 8666630 is about 205.4077152466.

The spelling of 8666630 in words is "eight million, six hundred sixty-six thousand, six hundred thirty".