7959866 has 8 divisors (see below), whose sum is σ = 12083904. Its totient is φ = 3931900.

The previous prime is 7959857. The next prime is 7959869. The reversal of 7959866 is 6689597.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7959869) 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, 23810 + ... + 24141.

It is an arithmetic number, because the mean of its divisors is an integer number (1510488).

Almost surely, 2^7959866 is an apocalyptic number.

7959866 is a deficient number, since it is larger than the sum of its proper divisors (4124038).

7959866 is a wasteful number, since it uses less digits than its factorization.

7959866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48036.

The product of its digits is 816480, while the sum is 50.

The square root of 7959866 is about 2821.3234483129. The cubic root of 7959866 is about 199.6649891520.

The spelling of 7959866 in words is "seven million, nine hundred fifty-nine thousand, eight hundred sixty-six".