6474389 has 2 divisors, whose sum is σ = 6474390. Its totient is φ = 6474388.

The previous prime is 6474361. The next prime is 6474397. The reversal of 6474389 is 9834746.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3833764 + 2640625 = 1958^2 + 1625^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6474389 is a prime.

It is a d-powerful number, because it can be written as 6³ + 4² + 7⁸ + 4⁴ + 3¹¹ + 8³ + 9⁶ .

It is a plaindrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6474329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3237194 + 3237195.

It is an arithmetic number, because the mean of its divisors is an integer number (3237195).

Almost surely, 2^6474389 is an apocalyptic number.

It is an amenable number.

6474389 is a deficient number, since it is larger than the sum of its proper divisors (1).

6474389 is an equidigital number, since it uses as much as digits as its factorization.

6474389 is an odious number, because the sum of its binary digits is odd.

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

The square root of 6474389 is about 2544.4820691056. The cubic root of 6474389 is about 186.3801240726.

The spelling of 6474389 in words is "six million, four hundred seventy-four thousand, three hundred eighty-nine".