7987386 has 16 divisors (see below), whose sum is σ = 17427168. Its totient is φ = 2420400.

The previous prime is 7987373. The next prime is 7987387. The reversal of 7987386 is 6837897.

It is a super-2 number, since 2×7987386² = 127596670225992, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7987387) 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 7 ways as a sum of consecutive naturals, for example, 60445 + ... + 60576.

It is an arithmetic number, because the mean of its divisors is an integer number (1089198).

Almost surely, 2^7987386 is an apocalyptic number.

7987386 is an abundant number, since it is smaller than the sum of its proper divisors (9439782).

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

7987386 is a wasteful number, since it uses less digits than its factorization.

7987386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121037.

The product of its digits is 508032, while the sum is 48.

The square root of 7987386 is about 2826.1963838346. The cubic root of 7987386 is about 199.8948280373.

The spelling of 7987386 in words is "seven million, nine hundred eighty-seven thousand, three hundred eighty-six".