3028861 has 8 divisors (see below), whose sum is σ = 3321504. Its totient is φ = 2739120.

The previous prime is 3028841. The next prime is 3028867. The reversal of 3028861 is 1688203.

It is the 711-st star number.

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 3028861 - 2⁹ = 3028349 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 1891 + ... + 3103.

It is an arithmetic number, because the mean of its divisors is an integer number (415188).

Almost surely, 2^3028861 is an apocalyptic number.

It is an amenable number.

3028861 is a deficient number, since it is larger than the sum of its proper divisors (292643).

3028861 is a wasteful number, since it uses less digits than its factorization.

3028861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1451.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 3028861 is about 1740.3623185992. The cubic root of 3028861 is about 144.6859791679.

The spelling of 3028861 in words is "three million, twenty-eight thousand, eight hundred sixty-one".