2791888 has 40 divisors (see below), whose sum is σ = 6115680. Its totient is φ = 1223040.

The previous prime is 2791849. The next prime is 2791897. The reversal of 2791888 is 8881972.

2791888 is nontrivially palindromic in base 3.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4831 + ... + 5377.

It is an arithmetic number, because the mean of its divisors is an integer number (152892).

2^2791888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2791888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3057840).

2791888 is an abundant number, since it is smaller than the sum of its proper divisors (3323792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2791888 is a wasteful number, since it uses less digits than its factorization.

2791888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595 (or 589 counting only the distinct ones).

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

The square root of 2791888 is about 1670.8943712874. The cubic root of 2791888 is about 140.8097294413.

The spelling of 2791888 in words is "two million, seven hundred ninety-one thousand, eight hundred eighty-eight".