4230397 has 2 divisors, whose sum is σ = 4230398. Its totient is φ = 4230396.

The previous prime is 4230389. The next prime is 4230403. The reversal of 4230397 is 7930324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2627641 + 1602756 = 1621^2 + 1266^2 .

It is a cyclic number.

It is not a de Polignac number, because 4230397 - 2³ = 4230389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4230337) 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, 2115198 + 2115199.

It is an arithmetic number, because the mean of its divisors is an integer number (2115199).

Almost surely, 2^4230397 is an apocalyptic number.

It is an amenable number.

4230397 is a deficient number, since it is larger than the sum of its proper divisors (1).

4230397 is an equidigital number, since it uses as much as digits as its factorization.

4230397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 4230397 is about 2056.7928918586. The cubic root of 4230397 is about 161.7311626084.

The spelling of 4230397 in words is "four million, two hundred thirty thousand, three hundred ninety-seven".