7868418 has 8 divisors (see below), whose sum is σ = 15736848. Its totient is φ = 2622804.

The previous prime is 7868381. The next prime is 7868423. The reversal of 7868418 is 8148687.

It is a sphenic number, since it is the product of 3 distinct primes.

7868418 is an admirable number.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 7868418.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 655696 + ... + 655707.

It is an arithmetic number, because the mean of its divisors is an integer number (1967106).

Almost surely, 2^7868418 is an apocalyptic number.

7868418 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

7868418 is a wasteful number, since it uses less digits than its factorization.

7868418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311408.

The product of its digits is 86016, while the sum is 42.

The square root of 7868418 is about 2805.0700526012. The cubic root of 7868418 is about 198.8974160465.

The spelling of 7868418 in words is "seven million, eight hundred sixty-eight thousand, four hundred eighteen".