4029239 has 2 divisors, whose sum is σ = 4029240. Its totient is φ = 4029238.

The previous prime is 4029227. The next prime is 4029253. The reversal of 4029239 is 9329204.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4029239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4025239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2014619 + 2014620.

It is an arithmetic number, because the mean of its divisors is an integer number (2014620).

Almost surely, 2^4029239 is an apocalyptic number.

4029239 is a deficient number, since it is larger than the sum of its proper divisors (1).

4029239 is an equidigital number, since it uses as much as digits as its factorization.

4029239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 4029239 is about 2007.2964404890. The cubic root of 4029239 is about 159.1259500699.

The spelling of 4029239 in words is "four million, twenty-nine thousand, two hundred thirty-nine".