4643789 has 2 divisors, whose sum is σ = 4643790. Its totient is φ = 4643788.

The previous prime is 4643761. The next prime is 4643801. The reversal of 4643789 is 9873464.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4515625 + 128164 = 2125^2 + 358^2 .

It is a cyclic number.

It is not a de Polignac number, because 4643789 - 2¹² = 4639693 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 4⁹ + 6⁵ + 4¹¹ + 3¹¹ + 7⁴ + 8 + 9 .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4643719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2321894 + 2321895.

It is an arithmetic number, because the mean of its divisors is an integer number (2321895).

Almost surely, 2^4643789 is an apocalyptic number.

It is an amenable number.

4643789 is a deficient number, since it is larger than the sum of its proper divisors (1).

4643789 is an equidigital number, since it uses as much as digits as its factorization.

4643789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 41.

The square root of 4643789 is about 2154.9452429238. The cubic root of 4643789 is about 166.8364061834.

The spelling of 4643789 in words is "four million, six hundred forty-three thousand, seven hundred eighty-nine".