3929449 has 2 divisors, whose sum is σ = 3929450. Its totient is φ = 3929448.

The previous prime is 3929417. The next prime is 3929461. The reversal of 3929449 is 9449293.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3686400 + 243049 = 1920^2 + 493^2 .

It is a cyclic number.

It is not a de Polignac number, because 3929449 - 2⁵ = 3929417 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3929479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1964724 + 1964725.

It is an arithmetic number, because the mean of its divisors is an integer number (1964725).

Almost surely, 2^3929449 is an apocalyptic number.

It is an amenable number.

3929449 is a deficient number, since it is larger than the sum of its proper divisors (1).

3929449 is an equidigital number, since it uses as much as digits as its factorization.

3929449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 40.

The square root of 3929449 is about 1982.2837839220. The cubic root of 3929449 is about 157.8012910838.

The spelling of 3929449 in words is "three million, nine hundred twenty-nine thousand, four hundred forty-nine".