3028581 has 24 divisors (see below), whose sum is σ = 4680000. Its totient is φ = 1881792.

The previous prime is 3028577. The next prime is 3028583. The reversal of 3028581 is 1858203.

It is a happy number.

It is not a de Polignac number, because 3028581 - 2² = 3028577 is a prime.

It is a super-3 number, since 3×3028581³ = 83337186627336740823, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3028583) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15120 + ... + 15318.

It is an arithmetic number, because the mean of its divisors is an integer number (195000).

Almost surely, 2^3028581 is an apocalyptic number.

It is an amenable number.

3028581 is a deficient number, since it is larger than the sum of its proper divisors (1651419).

3028581 is a wasteful number, since it uses less digits than its factorization.

3028581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313 (or 310 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 3028581 is about 1740.2818737205. The cubic root of 3028581 is about 144.6815205807.

The spelling of 3028581 in words is "three million, twenty-eight thousand, five hundred eighty-one".