2905056 has 144 divisors (see below), whose sum is σ = 10378368. Its totient is φ = 748800.

The previous prime is 2905033. The next prime is 2905057. The reversal of 2905056 is 6505092.

It is a tau number, because it is divible by the number of its divisors (144).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2905057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22111 + ... + 22241.

It is an arithmetic number, because the mean of its divisors is an integer number (72072).

2^2905056 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 2905056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5189184).

2905056 is an abundant number, since it is smaller than the sum of its proper divisors (7473312).

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

2905056 is a wasteful number, since it uses less digits than its factorization.

2905056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 2905056 is about 1704.4224828369. The cubic root of 2905056 is about 142.6871410140.

The spelling of 2905056 in words is "two million, nine hundred five thousand, fifty-six".