2865888 has 96 divisors (see below), whose sum is σ = 8709120. Its totient is φ = 915840.

The previous prime is 2865881. The next prime is 2865899. The reversal of 2865888 is 8885682.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2865881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26731 + ... + 26837.

It is an arithmetic number, because the mean of its divisors is an integer number (90720).

2^2865888 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 2865888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4354560).

2865888 is an abundant number, since it is smaller than the sum of its proper divisors (5843232).

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

2865888 is a wasteful number, since it uses less digits than its factorization.

2865888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157 (or 143 counting only the distinct ones).

The product of its digits is 245760, while the sum is 45.

The square root of 2865888 is about 1692.8933811673. The cubic root of 2865888 is about 142.0429678870.

The spelling of 2865888 in words is "two million, eight hundred sixty-five thousand, eight hundred eighty-eight".