4274239 has 2 divisors, whose sum is σ = 4274240. Its totient is φ = 4274238.

The previous prime is 4274233. The next prime is 4274261. The reversal of 4274239 is 9324724.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4274239 - 2¹⁹ = 3749951 is a prime.

It is a super-3 number, since 3×4274239³ (a number of 21 digits) contains 333 as substring.

It is a d-powerful number, because it can be written as 4⁵ + 2 + 7² + 4¹¹ + 2⁷ + 3⁹ + 9⁵ .

4274239 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4274239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4274233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2137119 + 2137120.

It is an arithmetic number, because the mean of its divisors is an integer number (2137120).

Almost surely, 2^4274239 is an apocalyptic number.

4274239 is a deficient number, since it is larger than the sum of its proper divisors (1).

4274239 is an equidigital number, since it uses as much as digits as its factorization.

4274239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 31.

The square root of 4274239 is about 2067.4232754809. The cubic root of 4274239 is about 162.2879474679.

The spelling of 4274239 in words is "four million, two hundred seventy-four thousand, two hundred thirty-nine".