2656884 has 48 divisors (see below), whose sum is σ = 6702080. Its totient is φ = 816480.

The previous prime is 2656883. The next prime is 2656889. The reversal of 2656884 is 4886562.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2656883) 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, 9669 + ... + 9939.

2^2656884 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 2656884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3351040).

2656884 is an abundant number, since it is smaller than the sum of its proper divisors (4045196).

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

2656884 is a wasteful number, since it uses less digits than its factorization.

2656884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340 (or 338 counting only the distinct ones).

The product of its digits is 92160, while the sum is 39.

The square root of 2656884 is about 1629.9950920172. The cubic root of 2656884 is about 138.5024740312.

The spelling of 2656884 in words is "two million, six hundred fifty-six thousand, eight hundred eighty-four".