3056689 has 2 divisors, whose sum is σ = 3056690. Its totient is φ = 3056688.

The previous prime is 3056671. The next prime is 3056699. The reversal of 3056689 is 9866503.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3045025 + 11664 = 1745^2 + 108^2 .

It is a cyclic number.

It is not a de Polignac number, because 3056689 - 2⁵ = 3056657 is a prime.

3056689 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (3056639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1528344 + 1528345.

It is an arithmetic number, because the mean of its divisors is an integer number (1528345).

Almost surely, 2^3056689 is an apocalyptic number.

It is an amenable number.

3056689 is a deficient number, since it is larger than the sum of its proper divisors (1).

3056689 is an equidigital number, since it uses as much as digits as its factorization.

3056689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 3056689 is about 1748.3389259523. The cubic root of 3056689 is about 145.1277352410.

The spelling of 3056689 in words is "three million, fifty-six thousand, six hundred eighty-nine".