7887996 has 24 divisors (see below), whose sum is σ = 20450640. Its totient is φ = 2629296.

The previous prime is 7887989. The next prime is 7888007. The reversal of 7887996 is 6997887.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 7 ways as a sum of consecutive naturals, for example, 36411 + ... + 36626.

It is an arithmetic number, because the mean of its divisors is an integer number (852110).

Almost surely, 2^7887996 is an apocalyptic number.

It is an amenable number.

7887996 is an abundant number, since it is smaller than the sum of its proper divisors (12562644).

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

7887996 is a wasteful number, since it uses less digits than its factorization.

7887996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73050 (or 73042 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 54.

The square root of 7887996 is about 2808.5576369375. The cubic root of 7887996 is about 199.0622432670.

The spelling of 7887996 in words is "seven million, eight hundred eighty-seven thousand, nine hundred ninety-six".