6434694 has 64 divisors (see below), whose sum is σ = 16934400. Its totient is φ = 1772064.

The previous prime is 6434683. The next prime is 6434699. The reversal of 6434694 is 4964346.

6434694 is a `hidden beast` number, since 643 + 4 + 6 + 9 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6434699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10669 + ... + 11255.

It is an arithmetic number, because the mean of its divisors is an integer number (264600).

Almost surely, 2^6434694 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6434694, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8467200).

6434694 is an abundant number, since it is smaller than the sum of its proper divisors (10499706).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6434694 is a wasteful number, since it uses less digits than its factorization.

6434694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634 (or 628 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 6434694 is about 2536.6698642117. The cubic root of 6434694 is about 185.9984391128.

The spelling of 6434694 in words is "six million, four hundred thirty-four thousand, six hundred ninety-four".