2946885128 has 64 divisors (see below), whose sum is σ = 6554908800. Its totient is φ = 1226603520.

The previous prime is 2946885121. The next prime is 2946885157. The reversal of 2946885128 is 8215886492.

2946885128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2946885128.

It is not an unprimeable number, because it can be changed into a prime (2946885121) 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, 28733 + ... + 81971.

It is an arithmetic number, because the mean of its divisors is an integer number (102420450).

Almost surely, 2^2946885128 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 2946885128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3277454400).

2946885128 is an abundant number, since it is smaller than the sum of its proper divisors (3608023672).

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

2946885128 is a wasteful number, since it uses less digits than its factorization.

2946885128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53310 (or 53306 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 53.

The square root of 2946885128 is about 54285.2201616609. The cubic root of 2946885128 is about 1433.6871817684.

The spelling of 2946885128 in words is "two billion, nine hundred forty-six million, eight hundred eighty-five thousand, one hundred twenty-eight".