6364789 has 2 divisors, whose sum is σ = 6364790. Its totient is φ = 6364788.

The previous prime is 6364781. The next prime is 6364807. The reversal of 6364789 is 9874636.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4452100 + 1912689 = 2110^2 + 1383^2 .

It is a cyclic number.

It is not a de Polignac number, because 6364789 - 2³ = 6364781 is a prime.

6364789 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6364781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3182394 + 3182395.

It is an arithmetic number, because the mean of its divisors is an integer number (3182395).

Almost surely, 2^6364789 is an apocalyptic number.

It is an amenable number.

6364789 is a deficient number, since it is larger than the sum of its proper divisors (1).

6364789 is an equidigital number, since it uses as much as digits as its factorization.

6364789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 43.

The square root of 6364789 is about 2522.8533449251. The cubic root of 6364789 is about 185.3224374521.

It can be divided in two parts, 63647 and 89, that added together give a palindrome (63736).

The spelling of 6364789 in words is "six million, three hundred sixty-four thousand, seven hundred eighty-nine".