6427349 has 2 divisors, whose sum is σ = 6427350. Its totient is φ = 6427348.

The previous prime is 6427331. The next prime is 6427367. The reversal of 6427349 is 9437246.

It is a balanced prime because it is at equal distance from previous prime (6427331) and next prime (6427367).

It can be written as a sum of positive squares in only one way, i.e., 6340324 + 87025 = 2518^2 + 295^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6427349 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 6 + 4 + 2¹⁷ + 7⁸ + 3¹² + 4² + 9 .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6427249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3213674 + 3213675.

It is an arithmetic number, because the mean of its divisors is an integer number (3213675).

Almost surely, 2^6427349 is an apocalyptic number.

It is an amenable number.

6427349 is a deficient number, since it is larger than the sum of its proper divisors (1).

6427349 is an equidigital number, since it uses as much as digits as its factorization.

6427349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 35.

The square root of 6427349 is about 2535.2216865592. The cubic root of 6427349 is about 185.9276417201.

It can be divided in two parts, 6427 and 349, that added together give a palindrome (6776).

The spelling of 6427349 in words is "six million, four hundred twenty-seven thousand, three hundred forty-nine".