7949966 has 8 divisors (see below), whose sum is σ = 12011160. Its totient is φ = 3946248.

The previous prime is 7949933. The next prime is 7950001. The reversal of 7949966 is 6699497.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14021 + ... + 14576.

It is an arithmetic number, because the mean of its divisors is an integer number (1501395).

Almost surely, 2^7949966 is an apocalyptic number.

7949966 is a deficient number, since it is larger than the sum of its proper divisors (4061194).

7949966 is a wasteful number, since it uses less digits than its factorization.

7949966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28738.

The product of its digits is 734832, while the sum is 50.

The square root of 7949966 is about 2819.5684066892. The cubic root of 7949966 is about 199.5821777306.

The spelling of 7949966 in words is "seven million, nine hundred forty-nine thousand, nine hundred sixty-six".