2881789 has 8 divisors (see below), whose sum is σ = 3067200. Its totient is φ = 2698176.

The previous prime is 2881783. The next prime is 2881799. The reversal of 2881789 is 9871882.

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 2881789 - 2¹¹ = 2879741 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 (2881783) 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, 4512 + ... + 5110.

It is an arithmetic number, because the mean of its divisors is an integer number (383400).

2^2881789 is an apocalyptic number.

It is an amenable number.

2881789 is a deficient number, since it is larger than the sum of its proper divisors (185411).

2881789 is a wasteful number, since it uses less digits than its factorization.

2881789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899.

The product of its digits is 64512, while the sum is 43.

The square root of 2881789 is about 1697.5832821985. The cubic root of 2881789 is about 142.3051857212.

The spelling of 2881789 in words is "two million, eight hundred eighty-one thousand, seven hundred eighty-nine".