2842881 has 4 divisors (see below), whose sum is σ = 3790512. Its totient is φ = 1895252.

The previous prime is 2842871. The next prime is 2842891. The reversal of 2842881 is 1882482.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (2842871) and next prime (2842891).

It is a cyclic number.

It is not a de Polignac number, because 2842881 - 2⁵ = 2842849 is a prime.

It is a super-2 number, since 2×2842881² = 16163944760322, which contains 22 as substring.

It is a D-number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2842811) 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, 473811 + ... + 473816.

It is an arithmetic number, because the mean of its divisors is an integer number (947628).

2^2842881 is an apocalyptic number.

It is an amenable number.

2842881 is a deficient number, since it is larger than the sum of its proper divisors (947631).

2842881 is an equidigital number, since it uses as much as digits as its factorization.

2842881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947630.

The product of its digits is 8192, while the sum is 33.

The square root of 2842881 is about 1686.0845174546. The cubic root of 2842881 is about 141.6618449724.

The spelling of 2842881 in words is "two million, eight hundred forty-two thousand, eight hundred eighty-one".