3942349 has 2 divisors, whose sum is σ = 3942350. Its totient is φ = 3942348.

The previous prime is 3942331. The next prime is 3942353. The reversal of 3942349 is 9432493.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2205225 + 1737124 = 1485^2 + 1318^2 .

It is a cyclic number.

It is not a de Polignac number, because 3942349 - 2⁹ = 3941837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3942359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1971174 + 1971175.

It is an arithmetic number, because the mean of its divisors is an integer number (1971175).

Almost surely, 2^3942349 is an apocalyptic number.

It is an amenable number.

3942349 is a deficient number, since it is larger than the sum of its proper divisors (1).

3942349 is an equidigital number, since it uses as much as digits as its factorization.

3942349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 34.

The square root of 3942349 is about 1985.5349405135. The cubic root of 3942349 is about 157.9737845733.

The spelling of 3942349 in words is "three million, nine hundred forty-two thousand, three hundred forty-nine".