2864888 has 32 divisors (see below), whose sum is σ = 5854800. Its totient is φ = 1314144.

The previous prime is 2864887. The next prime is 2864909. The reversal of 2864888 is 8884682.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2864887) 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, 17495 + ... + 17657.

2^2864888 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 2864888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2927400).

2864888 is an abundant number, since it is smaller than the sum of its proper divisors (2989912).

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

2864888 is a wasteful number, since it uses less digits than its factorization.

2864888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208 (or 178 counting only the distinct ones).

The product of its digits is 196608, while the sum is 44.

The square root of 2864888 is about 1692.5980030710. The cubic root of 2864888 is about 142.0264448533.

The spelling of 2864888 in words is "two million, eight hundred sixty-four thousand, eight hundred eighty-eight".