6346387 has 2 divisors, whose sum is σ = 6346388. Its totient is φ = 6346386.

The previous prime is 6346381. The next prime is 6346391. The reversal of 6346387 is 7836436.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6346387 is a prime.

It is not a weakly prime, because it can be changed into another prime (6346381) 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 as a sum of consecutive naturals, namely, 3173193 + 3173194.

It is an arithmetic number, because the mean of its divisors is an integer number (3173194).

Almost surely, 2^6346387 is an apocalyptic number.

6346387 is a deficient number, since it is larger than the sum of its proper divisors (1).

6346387 is an equidigital number, since it uses as much as digits as its factorization.

6346387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 37.

The square root of 6346387 is about 2519.2036440113. The cubic root of 6346387 is about 185.1436624538.

It can be divided in two parts, 634 and 6387, that added together give a triangular number (7021 = T₁₁₈).

The spelling of 6346387 in words is "six million, three hundred forty-six thousand, three hundred eighty-seven".