6304389 has 24 divisors (see below), whose sum is σ = 10533600. Its totient is φ = 3324384.

The previous prime is 6304387. The next prime is 6304421. The reversal of 6304389 is 9834036.

It is not a de Polignac number, because 6304389 - 2¹ = 6304387 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6304381) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 262 + ... + 3560.

It is an arithmetic number, because the mean of its divisors is an integer number (438900).

Almost surely, 2^6304389 is an apocalyptic number.

It is an amenable number.

6304389 is a deficient number, since it is larger than the sum of its proper divisors (4229211).

6304389 is a wasteful number, since it uses less digits than its factorization.

6304389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3329 (or 3322 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 6304389 is about 2510.8542371074. The cubic root of 6304389 is about 184.7343545535.

The spelling of 6304389 in words is "six million, three hundred four thousand, three hundred eighty-nine".