2885844 has 36 divisors (see below), whose sum is σ = 7296576. Its totient is φ = 887328.

The previous prime is 2885837. The next prime is 2885863. The reversal of 2885844 is 4485882.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1317 + ... + 2739.

2^2885844 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 2885844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3648288).

2885844 is an abundant number, since it is smaller than the sum of its proper divisors (4410732).

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

2885844 is a wasteful number, since it uses less digits than its factorization.

2885844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1456 (or 1441 counting only the distinct ones).

The product of its digits is 81920, while the sum is 39.

The square root of 2885844 is about 1698.7772072876. Note that the first 3 decimals coincide. The cubic root of 2885844 is about 142.3719008859.

The spelling of 2885844 in words is "two million, eight hundred eighty-five thousand, eight hundred forty-four".