3939043 has 2 divisors, whose sum is σ = 3939044. Its totient is φ = 3939042.

The previous prime is 3939031. The next prime is 3939059. The reversal of 3939043 is 3409393.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3939043 - 2⁹ = 3938531 is a prime.

3939043 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3938996 and 3939014.

It is not a weakly prime, because it can be changed into another prime (3939443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1969521 + 1969522.

It is an arithmetic number, because the mean of its divisors is an integer number (1969522).

Almost surely, 2^3939043 is an apocalyptic number.

3939043 is a deficient number, since it is larger than the sum of its proper divisors (1).

3939043 is an equidigital number, since it uses as much as digits as its factorization.

3939043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 31.

The square root of 3939043 is about 1984.7022446705. The cubic root of 3939043 is about 157.9296140050.

The spelling of 3939043 in words is "three million, nine hundred thirty-nine thousand, forty-three".