3020689 has 8 divisors (see below), whose sum is σ = 3469248. Its totient is φ = 2576400.

The previous prime is 3020687. The next prime is 3020701. The reversal of 3020689 is 9860203.

3020689 is nontrivially palindromic in base 12.

3020689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3020689 - 2¹ = 3020687 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3020683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 639 + ... + 2539.

It is an arithmetic number, because the mean of its divisors is an integer number (433656).

Almost surely, 2^3020689 is an apocalyptic number.

It is an amenable number.

3020689 is a deficient number, since it is larger than the sum of its proper divisors (448559).

3020689 is a wasteful number, since it uses less digits than its factorization.

3020689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2135.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 3020689 is about 1738.0129458666. The cubic root of 3020689 is about 144.5557389242. Note that the first 3 decimals are identical.

The spelling of 3020689 in words is "three million, twenty thousand, six hundred eighty-nine".