789653 has 2 divisors, whose sum is σ = 789654. Its totient is φ = 789652.

The previous prime is 789631. The next prime is 789671. The reversal of 789653 is 356987.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 770884 + 18769 = 878^2 + 137^2 .

It is a cyclic number.

It is not a de Polignac number, because 789653 - 2⁶ = 789589 is a prime.

It is a Chen prime.

It is a plaindrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (789623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 394826 + 394827.

It is an arithmetic number, because the mean of its divisors is an integer number (394827).

2⁷⁸⁹⁶⁵³ is an apocalyptic number.

It is an amenable number.

789653 is a deficient number, since it is larger than the sum of its proper divisors (1).

789653 is an equidigital number, since it uses as much as digits as its factorization.

789653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 38.

The square root of 789653 is about 888.6242175408. The cubic root of 789653 is about 92.4298177163.

The spelling of 789653 in words is "seven hundred eighty-nine thousand, six hundred fifty-three".