3028863 has 4 divisors (see below), whose sum is σ = 4038488. Its totient is φ = 2019240.

The previous prime is 3028841. The next prime is 3028867. The reversal of 3028863 is 3688203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3688203 = 3 ⋅1229401.

It is not a de Polignac number, because 3028863 - 2⁶ = 3028799 is a prime.

It is a super-2 number, since 2×3028863² = 18348022145538, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3028863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3028867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 504808 + ... + 504813.

It is an arithmetic number, because the mean of its divisors is an integer number (1009622).

Almost surely, 2^3028863 is an apocalyptic number.

3028863 is a deficient number, since it is larger than the sum of its proper divisors (1009625).

3028863 is a wasteful number, since it uses less digits than its factorization.

3028863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009624.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 3028863 is about 1740.3628931921. The cubic root of 3028863 is about 144.6860110139.

The spelling of 3028863 in words is "three million, twenty-eight thousand, eight hundred sixty-three".