7987086 has 40 divisors (see below), whose sum is σ = 18295200. Its totient is φ = 2603232.

The previous prime is 7987081. The next prime is 7987099. The reversal of 7987086 is 6807897.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7987081) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7090 + ... + 8138.

It is an arithmetic number, because the mean of its divisors is an integer number (457380).

Almost surely, 2^7987086 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7987086, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9147600).

7987086 is an abundant number, since it is smaller than the sum of its proper divisors (10308114).

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

7987086 is a wasteful number, since it uses less digits than its factorization.

7987086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110 (or 1101 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The square root of 7987086 is about 2826.1433084683. The cubic root of 7987086 is about 199.8923253746.

The spelling of 7987086 in words is "seven million, nine hundred eighty-seven thousand, eighty-six".