7939660 has 12 divisors (see below), whose sum is σ = 16673328. Its totient is φ = 3175856.

The previous prime is 7939643. The next prime is 7939661. The reversal of 7939660 is 669397.

It is not an unprimeable number, because it can be changed into a prime (7939661) by changing a digit.

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, 198472 + ... + 198511.

It is an arithmetic number, because the mean of its divisors is an integer number (1389444).

Almost surely, 2^7939660 is an apocalyptic number.

It is an amenable number.

7939660 is an abundant number, since it is smaller than the sum of its proper divisors (8733668).

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

7939660 is a wasteful number, since it uses less digits than its factorization.

7939660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396992 (or 396990 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 40.

The square root of 7939660 is about 2817.7402293327. The cubic root of 7939660 is about 199.4958971357.

The spelling of 7939660 in words is "seven million, nine hundred thirty-nine thousand, six hundred sixty".