3939349 has 2 divisors, whose sum is σ = 3939350. Its totient is φ = 3939348.

The previous prime is 3939337. The next prime is 3939361. The reversal of 3939349 is 9439393.

It is a balanced prime because it is at equal distance from previous prime (3939337) and next prime (3939361).

It can be written as a sum of positive squares in only one way, i.e., 3928324 + 11025 = 1982^2 + 105^2 .

It is an emirp because it is prime and its reverse (9439393) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3939349 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3939379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1969674 + 1969675.

It is an arithmetic number, because the mean of its divisors is an integer number (1969675).

Almost surely, 2^3939349 is an apocalyptic number.

It is an amenable number.

3939349 is a deficient number, since it is larger than the sum of its proper divisors (1).

3939349 is an equidigital number, since it uses as much as digits as its factorization.

3939349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 78732, while the sum is 40.

The square root of 3939349 is about 1984.7793328227. The cubic root of 3939349 is about 157.9337034256.

The spelling of 3939349 in words is "three million, nine hundred thirty-nine thousand, three hundred forty-nine".