6346427 has 2 divisors, whose sum is σ = 6346428. Its totient is φ = 6346426.

The previous prime is 6346409. The next prime is 6346433. The reversal of 6346427 is 7246436.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6346427 - 2¹⁴ = 6330043 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 6346393 and 6346402.

It is not a weakly prime, because it can be changed into another prime (6346127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3173213 + 3173214.

It is an arithmetic number, because the mean of its divisors is an integer number (3173214).

Almost surely, 2^6346427 is an apocalyptic number.

6346427 is a deficient number, since it is larger than the sum of its proper divisors (1).

6346427 is an equidigital number, since it uses as much as digits as its factorization.

6346427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 32.

The square root of 6346427 is about 2519.2115830156. The cubic root of 6346427 is about 185.1440514274.

Subtracting 6346427 from its reverse (7246436), we obtain a palindrome (900009).

The spelling of 6346427 in words is "six million, three hundred forty-six thousand, four hundred twenty-seven".