7947916 has 12 divisors (see below), whose sum is σ = 13955760. Its totient is φ = 3960560.

The previous prime is 7947899. The next prime is 7947917. The reversal of 7947916 is 6197497.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (7947917) 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, 1951 + ... + 4438.

It is an arithmetic number, because the mean of its divisors is an integer number (1162980).

Almost surely, 2^7947916 is an apocalyptic number.

It is an amenable number.

7947916 is a deficient number, since it is larger than the sum of its proper divisors (6007844).

7947916 is a wasteful number, since it uses less digits than its factorization.

7947916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6704 (or 6702 counting only the distinct ones).

The product of its digits is 95256, while the sum is 43.

The square root of 7947916 is about 2819.2048524362. The cubic root of 7947916 is about 199.5650213202.

The spelling of 7947916 in words is "seven million, nine hundred forty-seven thousand, nine hundred sixteen".