8011966 has 4 divisors (see below), whose sum is σ = 12017952. Its totient is φ = 4005982.

The previous prime is 8011961. The next prime is 8011967. The reversal of 8011966 is 6691108.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8011961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2002990 + ... + 2002993.

It is an arithmetic number, because the mean of its divisors is an integer number (3004488).

Almost surely, 2^8011966 is an apocalyptic number.

8011966 is a deficient number, since it is larger than the sum of its proper divisors (4005986).

8011966 is a wasteful number, since it uses less digits than its factorization.

8011966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4005985.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 8011966 is about 2830.5416442794. The cubic root of 8011966 is about 200.0996669909.

The spelling of 8011966 in words is "eight million, eleven thousand, nine hundred sixty-six".