3028889 has 4 divisors (see below), whose sum is σ = 3058980. Its totient is φ = 2998800.

The previous prime is 3028871. The next prime is 3028891. The reversal of 3028889 is 9888203.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2778889 + 250000 = 1667^2 + 500^2 .

It is a cyclic number.

It is not a de Polignac number, because 3028889 - 2¹⁶ = 2963353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3028819) 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 in 3 ways as a sum of consecutive naturals, for example, 14894 + ... + 15095.

It is an arithmetic number, because the mean of its divisors is an integer number (764745).

Almost surely, 2^3028889 is an apocalyptic number.

It is an amenable number.

3028889 is a deficient number, since it is larger than the sum of its proper divisors (30091).

3028889 is a wasteful number, since it uses less digits than its factorization.

3028889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30090.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 3028889 is about 1740.3703628826. The cubic root of 3028889 is about 144.6864250115.

The spelling of 3028889 in words is "three million, twenty-eight thousand, eight hundred eighty-nine".