2906405728 has 24 divisors (see below), whose sum is σ = 5723220888. Its totient is φ = 1452889344.

The previous prime is 2906405717. The next prime is 2906405729. The reversal of 2906405728 is 8275046092.

2906405728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2906405729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234700 + ... + 246772.

It is an arithmetic number, because the mean of its divisors is an integer number (238467537).

Almost surely, 2^2906405728 is an apocalyptic number.

It is an amenable number.

2906405728 is a deficient number, since it is larger than the sum of its proper divisors (2816815160).

2906405728 is a wasteful number, since it uses less digits than its factorization.

2906405728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19606 (or 19598 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 2906405728 is about 53911.0909553869. The cubic root of 2906405728 is about 1427.0923571261.

The spelling of 2906405728 in words is "two billion, nine hundred six million, four hundred five thousand, seven hundred twenty-eight".