3489691 has 2 divisors, whose sum is σ = 3489692. Its totient is φ = 3489690.

The previous prime is 3489683. The next prime is 3489697. The reversal of 3489691 is 1969843.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3489691 - 2³ = 3489683 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3489697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1744845 + 1744846.

It is an arithmetic number, because the mean of its divisors is an integer number (1744846).

Almost surely, 2^3489691 is an apocalyptic number.

3489691 is a deficient number, since it is larger than the sum of its proper divisors (1).

3489691 is an equidigital number, since it uses as much as digits as its factorization.

3489691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 40.

The square root of 3489691 is about 1868.0714654424. The cubic root of 3489691 is about 151.6802343992.

The spelling of 3489691 in words is "three million, four hundred eighty-nine thousand, six hundred ninety-one".