7859845 has 16 divisors (see below), whose sum is σ = 11001600. Its totient is φ = 5388432.

The previous prime is 7859809. The next prime is 7859849. The reversal of 7859845 is 5489587.

7859845 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7859845 - 2⁷ = 7859717 is a prime.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 7859795 and 7859804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7859849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 577 + ... + 4006.

It is an arithmetic number, because the mean of its divisors is an integer number (687600).

Almost surely, 2^7859845 is an apocalyptic number.

It is an amenable number.

7859845 is a deficient number, since it is larger than the sum of its proper divisors (3141755).

7859845 is an equidigital number, since it uses as much as digits as its factorization.

7859845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4609 (or 4595 counting only the distinct ones).

The product of its digits is 403200, while the sum is 46.

The square root of 7859845 is about 2803.5415103044. The cubic root of 7859845 is about 198.8251538627.

The spelling of 7859845 in words is "seven million, eight hundred fifty-nine thousand, eight hundred forty-five".