6434866 has 16 divisors (see below), whose sum is σ = 9878400. Its totient is φ = 3143088.

The previous prime is 6434861. The next prime is 6434899. The reversal of 6434866 is 6684346.

It is not an unprimeable number, because it can be changed into a prime (6434861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21816 + ... + 22108.

It is an arithmetic number, because the mean of its divisors is an integer number (617400).

Almost surely, 2^6434866 is an apocalyptic number.

6434866 is a deficient number, since it is larger than the sum of its proper divisors (3443534).

6434866 is a wasteful number, since it uses less digits than its factorization.

6434866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513.

The product of its digits is 82944, while the sum is 37.

The square root of 6434866 is about 2536.7037667020. The cubic root of 6434866 is about 186.0000963502. Note that the first 4 decimals are identical.

The spelling of 6434866 in words is "six million, four hundred thirty-four thousand, eight hundred sixty-six".