3020687 has 2 divisors, whose sum is σ = 3020688. Its totient is φ = 3020686.

The previous prime is 3020683. The next prime is 3020701. The reversal of 3020687 is 7860203.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3020687 - 2² = 3020683 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3020683) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1510343 + 1510344.

It is an arithmetic number, because the mean of its divisors is an integer number (1510344).

Almost surely, 2^3020687 is an apocalyptic number.

3020687 is a deficient number, since it is larger than the sum of its proper divisors (1).

3020687 is an equidigital number, since it uses as much as digits as its factorization.

3020687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 3020687 is about 1738.0123704968. The cubic root of 3020687 is about 144.5557070207. Note that the first 3 decimals are identical.

The spelling of 3020687 in words is "three million, twenty thousand, six hundred eighty-seven".