8361966 has 8 divisors (see below), whose sum is σ = 16723944. Its totient is φ = 2787320.

The previous prime is 8361961. The next prime is 8361967. The reversal of 8361966 is 6691638.

It is a happy number.

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

8361966 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8361961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 696825 + ... + 696836.

It is an arithmetic number, because the mean of its divisors is an integer number (2090493).

Almost surely, 2^8361966 is an apocalyptic number.

8361966 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8361966 is a wasteful number, since it uses less digits than its factorization.

8361966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1393666.

The product of its digits is 46656, while the sum is 39.

The square root of 8361966 is about 2891.7064166336. The cubic root of 8361966 is about 202.9720006357.

Adding to 8361966 its sum of digits (39), we get a triangular number (8362005 = T₄₀₈₉).

The spelling of 8361966 in words is "eight million, three hundred sixty-one thousand, nine hundred sixty-six".