789091 has 2 divisors, whose sum is σ = 789092. Its totient is φ = 789090.

The previous prime is 789077. The next prime is 789097. The reversal of 789091 is 190987.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 789091 - 2¹¹ = 787043 is a prime.

It is not a weakly prime, because it can be changed into another prime (789097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 394545 + 394546.

It is an arithmetic number, because the mean of its divisors is an integer number (394546).

2⁷⁸⁹⁰⁹¹ is an apocalyptic number.

789091 is a deficient number, since it is larger than the sum of its proper divisors (1).

789091 is an equidigital number, since it uses as much as digits as its factorization.

789091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 34.

The square root of 789091 is about 888.3079421012. The cubic root of 789091 is about 92.4078849240.

It can be divided in two parts, 7 and 89091, that added together give a palindrome (89098).

The spelling of 789091 in words is "seven hundred eighty-nine thousand, ninety-one".