2989886256 has 200 divisors, whose sum is σ = 10039476480. Its totient is φ = 841332096.

The previous prime is 2989886213. The next prime is 2989886257. The reversal of 2989886256 is 6526889892.

2989886256 is a `hidden beast` number, since 298 + 98 + 8 + 6 + 256 = 666.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 2989886193 and 2989886202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2989886257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 605365 + ... + 610283.

Almost surely, 2^2989886256 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 2989886256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5019738240).

2989886256 is an abundant number, since it is smaller than the sum of its proper divisors (7049590224).

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

2989886256 is a wasteful number, since it uses less digits than its factorization.

2989886256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5013 (or 4998 counting only the distinct ones).

The product of its digits is 29859840, while the sum is 63.

The square root of 2989886256 is about 54679.8523772696. The cubic root of 2989886256 is about 1440.6270186046.

The spelling of 2989886256 in words is "two billion, nine hundred eighty-nine million, eight hundred eighty-six thousand, two hundred fifty-six".