4691789 has 2 divisors, whose sum is σ = 4691790. Its totient is φ = 4691788.

The previous prime is 4691777. The next prime is 4691801. The reversal of 4691789 is 9871964.

It is a balanced prime because it is at equal distance from previous prime (4691777) and next prime (4691801).

It can be written as a sum of positive squares in only one way, i.e., 4141225 + 550564 = 2035^2 + 742^2 .

It is a cyclic number.

It is not a de Polignac number, because 4691789 - 2¹² = 4687693 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4691749) 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 as a sum of consecutive naturals, namely, 2345894 + 2345895.

It is an arithmetic number, because the mean of its divisors is an integer number (2345895).

Almost surely, 2^4691789 is an apocalyptic number.

It is an amenable number.

4691789 is a deficient number, since it is larger than the sum of its proper divisors (1).

4691789 is an equidigital number, since it uses as much as digits as its factorization.

4691789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 44.

The square root of 4691789 is about 2166.0537851125. The cubic root of 4691789 is about 167.4092654790.

The spelling of 4691789 in words is "four million, six hundred ninety-one thousand, seven hundred eighty-nine".