6434340 has 48 divisors (see below), whose sum is σ = 19656000. Its totient is φ = 1559680.

The previous prime is 6434321. The next prime is 6434371. The reversal of 6434340 is 434346.

It is a self number, because there is not a number n which added to its sum of digits gives 6434340.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4215 + ... + 5534.

It is an arithmetic number, because the mean of its divisors is an integer number (409500).

Almost surely, 2^6434340 is an apocalyptic number.

6434340 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6434340 is an abundant number, since it is smaller than the sum of its proper divisors (13221660).

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

6434340 is a wasteful number, since it uses less digits than its factorization.

6434340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9772 (or 9770 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 6434340 is about 2536.6000867303. The cubic root of 6434340 is about 185.9950281941.

Adding to 6434340 its reverse (434346), we get a palindrome (6868686).

The spelling of 6434340 in words is "six million, four hundred thirty-four thousand, three hundred forty".