4030393 has 2 divisors, whose sum is σ = 4030394. Its totient is φ = 4030392.

The previous prime is 4030387. The next prime is 4030399. The reversal of 4030393 is 3930304.

It is a balanced prime because it is at equal distance from previous prime (4030387) and next prime (4030399).

It can be written as a sum of positive squares in only one way, i.e., 2319529 + 1710864 = 1523^2 + 1308^2 .

It is a cyclic number.

It is not a de Polignac number, because 4030393 - 2¹³ = 4022201 is a prime.

It is not a weakly prime, because it can be changed into another prime (4030399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2015196 + 2015197.

It is an arithmetic number, because the mean of its divisors is an integer number (2015197).

Almost surely, 2^4030393 is an apocalyptic number.

It is an amenable number.

4030393 is a deficient number, since it is larger than the sum of its proper divisors (1).

4030393 is an equidigital number, since it uses as much as digits as its factorization.

4030393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 22.

The square root of 4030393 is about 2007.5838712243. The cubic root of 4030393 is about 159.1411401855.

Adding to 4030393 its reverse (3930304), we get a palindrome (7960697).

The spelling of 4030393 in words is "four million, thirty thousand, three hundred ninety-three".