2081288 has 32 divisors (see below), whose sum is σ = 4332960. Its totient is φ = 929280.

The previous prime is 2081281. The next prime is 2081291. The reversal of 2081288 is 8821802.

It is a self number, because there is not a number n which added to its sum of digits gives 2081288.

It is not an unprimeable number, because it can be changed into a prime (2081281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5720 + ... + 6072.

It is an arithmetic number, because the mean of its divisors is an integer number (135405).

2^2081288 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 2081288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2166480).

2081288 is an abundant number, since it is smaller than the sum of its proper divisors (2251672).

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

2081288 is a wasteful number, since it uses less digits than its factorization.

2081288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437 (or 433 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 29.

The square root of 2081288 is about 1442.6669747381. Note that the first 3 decimals coincide. The cubic root of 2081288 is about 127.6764288275.

The spelling of 2081288 in words is "two million, eighty-one thousand, two hundred eighty-eight".