7840116 has 18 divisors (see below), whose sum is σ = 19818162. Its totient is φ = 2613360.

The previous prime is 7840081. The next prime is 7840153. The reversal of 7840116 is 6110487.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7817616 + 22500 = 2796^2 + 150^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×7840116² = 122934837786912, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7840116.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 108855 + ... + 108926.

It is an arithmetic number, because the mean of its divisors is an integer number (1101009).

Almost surely, 2^7840116 is an apocalyptic number.

It is an amenable number.

7840116 is an abundant number, since it is smaller than the sum of its proper divisors (11978046).

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

7840116 is a wasteful number, since it uses less digits than its factorization.

7840116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217791 (or 217786 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 7840116 is about 2800.0207142091. The cubic root of 7840116 is about 198.6586574453.

The spelling of 7840116 in words is "seven million, eight hundred forty thousand, one hundred sixteen".