7986736 has 20 divisors (see below), whose sum is σ = 16385112. Its totient is φ = 3758336.

The previous prime is 7986731. The next prime is 7986739. The reversal of 7986736 is 6376897.

7986736 = 484² + 485² + ... + 515².

7986736 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 7⁴ + 9³ + 8⁷ + 6 + 7⁷ + 3¹⁴ + 6⁷ .

It is not an unprimeable number, because it can be changed into a prime (7986731) by changing a digit.

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, 14410 + ... + 14953.

Almost surely, 2^7986736 is an apocalyptic number.

It is an amenable number.

7986736 is an abundant number, since it is smaller than the sum of its proper divisors (8398376).

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

7986736 is a wasteful number, since it uses less digits than its factorization.

7986736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29388 (or 29382 counting only the distinct ones).

The product of its digits is 381024, while the sum is 46.

The square root of 7986736 is about 2826.0813859477. The cubic root of 7986736 is about 199.8894055222.

The spelling of 7986736 in words is "seven million, nine hundred eighty-six thousand, seven hundred thirty-six".