7906871 has 16 divisors (see below), whose sum is σ = 9583104. Its totient is φ = 6377184.

The previous prime is 7906859. The next prime is 7906889. The reversal of 7906871 is 1786097.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 7906871 - 2⁶ = 7906807 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7906841) 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 15 ways as a sum of consecutive naturals, for example, 10421 + ... + 11153.

It is an arithmetic number, because the mean of its divisors is an integer number (598944).

Almost surely, 2^7906871 is an apocalyptic number.

7906871 is a deficient number, since it is larger than the sum of its proper divisors (1676233).

7906871 is a wasteful number, since it uses less digits than its factorization.

7906871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830.

The product of its (nonzero) digits is 21168, while the sum is 38.

The square root of 7906871 is about 2811.9158949016. The cubic root of 7906871 is about 199.2208939095.

The spelling of 7906871 in words is "seven million, nine hundred six thousand, eight hundred seventy-one".