3238840039 has 2 divisors, whose sum is σ = 3238840040. Its totient is φ = 3238840038.

The previous prime is 3238840021. The next prime is 3238840049. The reversal of 3238840039 is 9300488323.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3238840039 - 2¹¹ = 3238837991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3238839983 and 3238840010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3238840019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1619420019 + 1619420020.

It is an arithmetic number, because the mean of its divisors is an integer number (1619420020).

Almost surely, 2^3238840039 is an apocalyptic number.

3238840039 is a deficient number, since it is larger than the sum of its proper divisors (1).

3238840039 is an equidigital number, since it uses as much as digits as its factorization.

3238840039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 3238840039 is about 56910.8077521309. The cubic root of 3238840039 is about 1479.5506364945.

It can be divided in two parts, 32388 and 40039, that added together give a palindrome (72427).

The spelling of 3238840039 in words is "three billion, two hundred thirty-eight million, eight hundred forty thousand, thirty-nine".