4231399 has 2 divisors, whose sum is σ = 4231400. Its totient is φ = 4231398.

The previous prime is 4231393. The next prime is 4231417. The reversal of 4231399 is 9931324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4231399 - 2³ = 4231391 is a prime.

It is a Chen prime.

4231399 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4231399.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4231391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2115699 + 2115700.

It is an arithmetic number, because the mean of its divisors is an integer number (2115700).

Almost surely, 2^4231399 is an apocalyptic number.

4231399 is a deficient number, since it is larger than the sum of its proper divisors (1).

4231399 is an equidigital number, since it uses as much as digits as its factorization.

4231399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5832, while the sum is 31.

The square root of 4231399 is about 2057.0364605422. The cubic root of 4231399 is about 161.7439306640.

The spelling of 4231399 in words is "four million, two hundred thirty-one thousand, three hundred ninety-nine".