6404229 has 24 divisors (see below), whose sum is σ = 10063872. Its totient is φ = 3900960.

The previous prime is 6404227. The next prime is 6404239. The reversal of 6404229 is 9224046.

It is not a de Polignac number, because 6404229 - 2¹ = 6404227 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6404227) 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, 14644 + ... + 15074.

It is an arithmetic number, because the mean of its divisors is an integer number (419328).

Almost surely, 2^6404229 is an apocalyptic number.

It is an amenable number.

6404229 is a deficient number, since it is larger than the sum of its proper divisors (3659643).

6404229 is a wasteful number, since it uses less digits than its factorization.

6404229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577 (or 574 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 6404229 is about 2530.6578196192. The cubic root of 6404229 is about 185.7044386720.

The spelling of 6404229 in words is "six million, four hundred four thousand, two hundred twenty-nine".