6397229 has 2 divisors, whose sum is σ = 6397230. Its totient is φ = 6397228.

The previous prime is 6397213. The next prime is 6397273. The reversal of 6397229 is 9227936.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4141225 + 2256004 = 2035^2 + 1502^2 .

It is a cyclic number.

It is not a de Polignac number, because 6397229 - 2⁴ = 6397213 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 6397192 and 6397201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6397529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3198614 + 3198615.

It is an arithmetic number, because the mean of its divisors is an integer number (3198615).

Almost surely, 2^6397229 is an apocalyptic number.

It is an amenable number.

6397229 is a deficient number, since it is larger than the sum of its proper divisors (1).

6397229 is an equidigital number, since it uses as much as digits as its factorization.

6397229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40824, while the sum is 38.

The square root of 6397229 is about 2529.2744018789. The cubic root of 6397229 is about 185.6367539708.

The spelling of 6397229 in words is "six million, three hundred ninety-seven thousand, two hundred twenty-nine".