6434667 has 8 divisors (see below), whose sum is σ = 9532880. Its totient is φ = 4289760.

The previous prime is 6434657. The next prime is 6434669. The reversal of 6434667 is 7664346.

6434667 is a `hidden beast` number, since 643 + 4 + 6 + 6 + 7 = 666.

It is not a de Polignac number, because 6434667 - 2⁴ = 6434651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6434669) 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 in 7 ways as a sum of consecutive naturals, for example, 119134 + ... + 119187.

It is an arithmetic number, because the mean of its divisors is an integer number (1191610).

Almost surely, 2^6434667 is an apocalyptic number.

6434667 is a deficient number, since it is larger than the sum of its proper divisors (3098213).

6434667 is a wasteful number, since it uses less digits than its factorization.

6434667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238330 (or 238324 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The square root of 6434667 is about 2536.6645422681. The cubic root of 6434667 is about 185.9981789624.

The spelling of 6434667 in words is "six million, four hundred thirty-four thousand, six hundred sixty-seven".