2881858 has 8 divisors (see below), whose sum is σ = 4940352. Its totient is φ = 1235076.

The previous prime is 2881799. The next prime is 2881859. The reversal of 2881858 is 8581882.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2881858.

It is not an unprimeable number, because it can be changed into a prime (2881859) 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, 102910 + ... + 102937.

It is an arithmetic number, because the mean of its divisors is an integer number (617544).

2^2881858 is an apocalyptic number.

2881858 is a deficient number, since it is larger than the sum of its proper divisors (2058494).

2881858 is a wasteful number, since it uses less digits than its factorization.

2881858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205856.

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

The square root of 2881858 is about 1697.6036050857. The cubic root of 2881858 is about 142.3063214717.

The spelling of 2881858 in words is "two million, eight hundred eighty-one thousand, eight hundred fifty-eight".