6438346 has 8 divisors (see below), whose sum is σ = 9753444. Its totient is φ = 3187200.

The previous prime is 6438343. The next prime is 6438361.

6438346 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 6305121 + 133225 = 2511^2 + 365^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (6438343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15735 + ... + 16138.

Almost surely, 2^6438346 is an apocalyptic number.

6438346 is a deficient number, since it is larger than the sum of its proper divisors (3315098).

6438346 is a wasteful number, since it uses less digits than its factorization.

6438346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31976.

The product of its digits is 41472, while the sum is 34.

The square root of 6438346 is about 2537.3896035099. The cubic root of 6438346 is about 186.0336201608.

The spelling of 6438346 in words is "six million, four hundred thirty-eight thousand, three hundred forty-six".