3439691 has 2 divisors, whose sum is σ = 3439692. Its totient is φ = 3439690.

The previous prime is 3439679. The next prime is 3439693. The reversal of 3439691 is 1969343.

It is a strong prime.

It is an emirp because it is prime and its reverse (1969343) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3439691 - 2¹⁸ = 3177547 is a prime.

Together with 3439693, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3439693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1719845 + 1719846.

It is an arithmetic number, because the mean of its divisors is an integer number (1719846).

Almost surely, 2^3439691 is an apocalyptic number.

3439691 is a deficient number, since it is larger than the sum of its proper divisors (1).

3439691 is an equidigital number, since it uses as much as digits as its factorization.

3439691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17496, while the sum is 35.

The square root of 3439691 is about 1854.6403964111. The cubic root of 3439691 is about 150.9523262216.

The spelling of 3439691 in words is "three million, four hundred thirty-nine thousand, six hundred ninety-one".