3047689 has 2 divisors, whose sum is σ = 3047690. Its totient is φ = 3047688.

The previous prime is 3047683. The next prime is 3047699. The reversal of 3047689 is 9867403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2805625 + 242064 = 1675^2 + 492^2 .

It is a cyclic number.

It is not a de Polignac number, because 3047689 - 2¹⁹ = 2523401 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3047683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1523844 + 1523845.

It is an arithmetic number, because the mean of its divisors is an integer number (1523845).

Almost surely, 2^3047689 is an apocalyptic number.

It is an amenable number.

3047689 is a deficient number, since it is larger than the sum of its proper divisors (1).

3047689 is an equidigital number, since it uses as much as digits as its factorization.

3047689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 3047689 is about 1745.7631569030. The cubic root of 3047689 is about 144.9851590042.

The spelling of 3047689 in words is "three million, forty-seven thousand, six hundred eighty-nine".