2881862 has 8 divisors (see below), whose sum is σ = 4341600. Its totient is φ = 1434664.

The previous prime is 2881861. The next prime is 2881867. The reversal of 2881862 is 2681882.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2881861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2537 + ... + 3492.

It is an arithmetic number, because the mean of its divisors is an integer number (542700).

2^2881862 is an apocalyptic number.

2881862 is a deficient number, since it is larger than the sum of its proper divisors (1459738).

2881862 is a wasteful number, since it uses less digits than its factorization.

2881862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6270.

The product of its digits is 12288, while the sum is 35.

The square root of 2881862 is about 1697.6047832166. The cubic root of 2881862 is about 142.3063873117.

The spelling of 2881862 in words is "two million, eight hundred eighty-one thousand, eight hundred sixty-two".