6404347 has 2 divisors, whose sum is σ = 6404348. Its totient is φ = 6404346.

The previous prime is 6404341. The next prime is 6404353. The reversal of 6404347 is 7434046.

It is a balanced prime because it is at equal distance from previous prime (6404341) and next prime (6404353).

It is a cyclic number.

It is not a de Polignac number, because 6404347 - 2¹⁵ = 6371579 is a prime.

It is not a weakly prime, because it can be changed into another prime (6404341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3202173 + 3202174.

It is an arithmetic number, because the mean of its divisors is an integer number (3202174).

Almost surely, 2^6404347 is an apocalyptic number.

6404347 is a deficient number, since it is larger than the sum of its proper divisors (1).

6404347 is an equidigital number, since it uses as much as digits as its factorization.

6404347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 6404347 is about 2530.6811336081. The cubic root of 6404347 is about 185.7055792199.

The spelling of 6404347 in words is "six million, four hundred four thousand, three hundred forty-seven".