3873239 has 2 divisors, whose sum is σ = 3873240. Its totient is φ = 3873238.

The previous prime is 3873209. The next prime is 3873257. The reversal of 3873239 is 9323783.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3873239 is a prime.

It is a super-2 number, since 2×3873239² = 30003960702242, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 3873199 and 3873208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3873209) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1936619 + 1936620.

It is an arithmetic number, because the mean of its divisors is an integer number (1936620).

Almost surely, 2^3873239 is an apocalyptic number.

3873239 is a deficient number, since it is larger than the sum of its proper divisors (1).

3873239 is an equidigital number, since it uses as much as digits as its factorization.

3873239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 35.

The square root of 3873239 is about 1968.0546232257. The cubic root of 3873239 is about 157.0452355893.

The spelling of 3873239 in words is "three million, eight hundred seventy-three thousand, two hundred thirty-nine".