2881888 has 12 divisors (see below), whose sum is σ = 5673780. Its totient is φ = 1440928.

The previous prime is 2881883. The next prime is 2881889. The reversal of 2881888 is 8881882.

It is a nude number because it is divisible by every one of its digits.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2881883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44998 + ... + 45061.

It is an arithmetic number, because the mean of its divisors is an integer number (472815).

2^2881888 is an apocalyptic number.

It is an amenable number.

2881888 is a deficient number, since it is larger than the sum of its proper divisors (2791892).

2881888 is an equidigital number, since it uses as much as digits as its factorization.

2881888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90069 (or 90061 counting only the distinct ones).

The product of its digits is 65536, while the sum is 43.

The square root of 2881888 is about 1697.6124410477. The cubic root of 2881888 is about 142.3068152706.

The spelling of 2881888 in words is "two million, eight hundred eighty-one thousand, eight hundred eighty-eight".