6264389 has 2 divisors, whose sum is σ = 6264390. Its totient is φ = 6264388.

The previous prime is 6264383. The next prime is 6264409. The reversal of 6264389 is 9834626.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5841889 + 422500 = 2417^2 + 650^2 .

It is a cyclic number.

It is not a de Polignac number, because 6264389 - 2⁴ = 6264373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6264383) 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, 3132194 + 3132195.

It is an arithmetic number, because the mean of its divisors is an integer number (3132195).

Almost surely, 2^6264389 is an apocalyptic number.

It is an amenable number.

6264389 is a deficient number, since it is larger than the sum of its proper divisors (1).

6264389 is an equidigital number, since it uses as much as digits as its factorization.

6264389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 38.

The square root of 6264389 is about 2502.8761455573. The cubic root of 6264389 is about 184.3428253346.

The spelling of 6264389 in words is "six million, two hundred sixty-four thousand, three hundred eighty-nine".