4231393 has 2 divisors, whose sum is σ = 4231394. Its totient is φ = 4231392.

The previous prime is 4231391. The next prime is 4231399. The reversal of 4231393 is 3931324.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4231249 + 144 = 2057^2 + 12^2 .

It is a cyclic number.

It is not a de Polignac number, because 4231393 - 2¹ = 4231391 is a prime.

Together with 4231391, it forms a pair of twin primes.

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

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2115696 + 2115697.

It is an arithmetic number, because the mean of its divisors is an integer number (2115697).

Almost surely, 2^4231393 is an apocalyptic number.

It is an amenable number.

4231393 is a deficient number, since it is larger than the sum of its proper divisors (1).

4231393 is an equidigital number, since it uses as much as digits as its factorization.

4231393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944, while the sum is 25.

The square root of 4231393 is about 2057.0350021329. The cubic root of 4231393 is about 161.7438542146.

It can be divided in two parts, 4231 and 393, that added together give a square (4624 = 68²).

The spelling of 4231393 in words is "four million, two hundred thirty-one thousand, three hundred ninety-three".