4272239 has 2 divisors, whose sum is σ = 4272240. Its totient is φ = 4272238.

The previous prime is 4272223. The next prime is 4272263. The reversal of 4272239 is 9322724.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4272239 - 2⁴ = 4272223 is a prime.

It is a d-powerful number, because it can be written as 4 + 2⁴ + 7⁴ + 2¹⁴ + 2²² + 3¹⁰ + 9² .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4272269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2136119 + 2136120.

It is an arithmetic number, because the mean of its divisors is an integer number (2136120).

Almost surely, 2^4272239 is an apocalyptic number.

4272239 is a deficient number, since it is larger than the sum of its proper divisors (1).

4272239 is an equidigital number, since it uses as much as digits as its factorization.

4272239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 29.

The square root of 4272239 is about 2066.9395249983. The cubic root of 4272239 is about 162.2626309509.

The spelling of 4272239 in words is "four million, two hundred seventy-two thousand, two hundred thirty-nine".