2885896728 has 192 divisors, whose sum is σ = 9470908800. Its totient is φ = 807131520.

The previous prime is 2885896721. The next prime is 2885896729. The reversal of 2885896728 is 8276985882.

2885896728 is a `hidden beast` number, since 28 + 8 + 589 + 6 + 7 + 28 = 666.

It is a super-2 number, since 2×2885896728² = 16656799849362211968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2885896721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 397951 + ... + 405137.

It is an arithmetic number, because the mean of its divisors is an integer number (49327650).

Almost surely, 2^2885896728 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 2885896728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4735454400).

2885896728 is an abundant number, since it is smaller than the sum of its proper divisors (6585012072).

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

2885896728 is a wasteful number, since it uses less digits than its factorization.

2885896728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7239 (or 7216 counting only the distinct ones).

The product of its digits is 30965760, while the sum is 63.

The square root of 2885896728 is about 53720.5428863112. The cubic root of 2885896728 is about 1423.7276798516.

The spelling of 2885896728 in words is "two billion, eight hundred eighty-five million, eight hundred ninety-six thousand, seven hundred twenty-eight".