7894986 has 64 divisors (see below), whose sum is σ = 18320256. Its totient is φ = 2246400.

The previous prime is 7894981. The next prime is 7894993. The reversal of 7894986 is 6894987.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (7894981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129396 + ... + 129456.

It is an arithmetic number, because the mean of its divisors is an integer number (286254).

Almost surely, 2^7894986 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7894986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9160128).

7894986 is an abundant number, since it is smaller than the sum of its proper divisors (10425270).

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

7894986 is a wasteful number, since it uses less digits than its factorization.

7894986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167.

The product of its digits is 870912, while the sum is 51.

The square root of 7894986 is about 2809.8017723676. The cubic root of 7894986 is about 199.1210260161.

Subtracting from 7894986 its reverse (6894987), we obtain a palindrome (999999).

It can be divided in two parts, 789 and 4986, that added together give a palindrome (5775).

The spelling of 7894986 in words is "seven million, eight hundred ninety-four thousand, nine hundred eighty-six".