6348340 has 36 divisors (see below), whose sum is σ = 13708044. Its totient is φ = 2469376.

The previous prime is 6348311. The next prime is 6348343. The reversal of 6348340 is 438436.

It can be written as a sum of positive squares in 6 ways, for example, as 178084 + 6170256 = 422^2 + 2484^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6348299 and 6348308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6348343) 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 11 ways as a sum of consecutive naturals, for example, 56124 + ... + 56236.

It is an arithmetic number, because the mean of its divisors is an integer number (380779).

Almost surely, 2^6348340 is an apocalyptic number.

It is an amenable number.

6348340 is an abundant number, since it is smaller than the sum of its proper divisors (7359704).

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

6348340 is a wasteful number, since it uses less digits than its factorization.

6348340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 6348340 is about 2519.5912366890. The cubic root of 6348340 is about 185.1626521818.

The spelling of 6348340 in words is "six million, three hundred forty-eight thousand, three hundred forty".