7896789 has 12 divisors (see below), whose sum is σ = 12077676. Its totient is φ = 4954752.

The previous prime is 7896781. The next prime is 7896793. The reversal of 7896789 is 9876987.

7896789 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 4536900 + 3359889 = 2130^2 + 1833^2 .

It is not a de Polignac number, because 7896789 - 2³ = 7896781 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7896781) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25654 + ... + 25959.

It is an arithmetic number, because the mean of its divisors is an integer number (1006473).

Almost surely, 2^7896789 is an apocalyptic number.

It is an amenable number.

7896789 is a deficient number, since it is larger than the sum of its proper divisors (4180887).

7896789 is a wasteful number, since it uses less digits than its factorization.

7896789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51636 (or 51633 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 54.

The square root of 7896789 is about 2810.1225951905. The cubic root of 7896789 is about 199.1361828040.

The spelling of 7896789 in words is "seven million, eight hundred ninety-six thousand, seven hundred eighty-nine".