8861966 has 8 divisors (see below), whose sum is σ = 13306440. Its totient is φ = 4426488.

The previous prime is 8861929. The next prime is 8861987. The reversal of 8861966 is 6691688.

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

It is an Ulam number.

It is a congruent number.

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, 1400 + ... + 4436.

It is an arithmetic number, because the mean of its divisors is an integer number (1663305).

Almost surely, 2^8861966 is an apocalyptic number.

8861966 is a deficient number, since it is larger than the sum of its proper divisors (4444474).

8861966 is a wasteful number, since it uses less digits than its factorization.

8861966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4498.

The product of its digits is 124416, while the sum is 44.

The square root of 8861966 is about 2976.9054402181. The cubic root of 8861966 is about 206.9394830368.

The spelling of 8861966 in words is "eight million, eight hundred sixty-one thousand, nine hundred sixty-six".