3040691 has 2 divisors, whose sum is σ = 3040692. Its totient is φ = 3040690.

The previous prime is 3040657. The next prime is 3040693. The reversal of 3040691 is 1960403.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3040691 - 2¹⁰ = 3039667 is a prime.

Together with 3040693, 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 (3040693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1520345 + 1520346.

It is an arithmetic number, because the mean of its divisors is an integer number (1520346).

Almost surely, 2^3040691 is an apocalyptic number.

3040691 is a deficient number, since it is larger than the sum of its proper divisors (1).

3040691 is an equidigital number, since it uses as much as digits as its factorization.

3040691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 3040691 is about 1743.7577239972. The cubic root of 3040691 is about 144.8741039608.

The spelling of 3040691 in words is "three million, forty thousand, six hundred ninety-one".