2888581 has 8 divisors (see below), whose sum is σ = 2964960. Its totient is φ = 2813232.

The previous prime is 2888569. The next prime is 2888591. The reversal of 2888581 is 1858882.

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 2888581 - 2⁹ = 2888069 is a prime.

It is a super-2 number, since 2×2888581² = 16687800387122, which contains 22 as substring.

It is a Duffinian number.

2888581 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2888531) 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, 10066 + ... + 10348.

It is an arithmetic number, because the mean of its divisors is an integer number (370620).

2^2888581 is an apocalyptic number.

It is an amenable number.

2888581 is a deficient number, since it is larger than the sum of its proper divisors (76379).

2888581 is a wasteful number, since it uses less digits than its factorization.

2888581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515.

The product of its digits is 40960, while the sum is 40.

The square root of 2888581 is about 1699.5825958158. The cubic root of 2888581 is about 142.4168962456.

The spelling of 2888581 in words is "two million, eight hundred eighty-eight thousand, five hundred eighty-one".