3449939 has 2 divisors, whose sum is σ = 3449940. Its totient is φ = 3449938.

The previous prime is 3449909. The next prime is 3449947. The reversal of 3449939 is 9399443.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3449939 - 2⁸ = 3449683 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3449896 and 3449905.

It is not a weakly prime, because it can be changed into another prime (3449909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1724969 + 1724970.

It is an arithmetic number, because the mean of its divisors is an integer number (1724970).

Almost surely, 2^3449939 is an apocalyptic number.

3449939 is a deficient number, since it is larger than the sum of its proper divisors (1).

3449939 is an equidigital number, since it uses as much as digits as its factorization.

3449939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 104976, while the sum is 41.

The square root of 3449939 is about 1857.4011413801. The cubic root of 3449939 is about 151.1020902239.

The spelling of 3449939 in words is "three million, four hundred forty-nine thousand, nine hundred thirty-nine".