4239331 has 2 divisors, whose sum is σ = 4239332. Its totient is φ = 4239330.

The previous prime is 4239293. The next prime is 4239371. The reversal of 4239331 is 1339324.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4239331 - 2¹¹ = 4237283 is a prime.

It is a super-2 number, since 2×4239331² = 35943854655122, which contains 22 as substring.

It is a d-powerful number, because it can be written as 4⁷ + 2²¹ + 3 + 9⁶ + 3³ + 3¹³ + 1 .

It is a junction number, because it is equal to n+sod(n) for n = 4239296 and 4239305.

It is not a weakly prime, because it can be changed into another prime (4239371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2119665 + 2119666.

It is an arithmetic number, because the mean of its divisors is an integer number (2119666).

Almost surely, 2^4239331 is an apocalyptic number.

4239331 is a deficient number, since it is larger than the sum of its proper divisors (1).

4239331 is an equidigital number, since it uses as much as digits as its factorization.

4239331 is an evil number, because the sum of its binary digits is even.

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

The square root of 4239331 is about 2058.9635742285. The cubic root of 4239331 is about 161.8449336684.

It can be divided in two parts, 42393 and 31, that added together give a palindrome (42424).

The spelling of 4239331 in words is "four million, two hundred thirty-nine thousand, three hundred thirty-one".