2338406728 has 16 divisors (see below), whose sum is σ = 5010871680. Its totient is φ = 1002174288.

The previous prime is 2338406717. The next prime is 2338406773. The reversal of 2338406728 is 8276048332.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 20878576 + ... + 20878687.

It is an arithmetic number, because the mean of its divisors is an integer number (313179480).

Almost surely, 2^2338406728 is an apocalyptic number.

2338406728 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2338406728 is an abundant number, since it is smaller than the sum of its proper divisors (2672464952).

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

2338406728 is a wasteful number, since it uses less digits than its factorization.

2338406728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41757276 (or 41757272 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 43.

The square root of 2338406728 is about 48357.0752630884. The cubic root of 2338406728 is about 1327.3130080646.

The spelling of 2338406728 in words is "two billion, three hundred thirty-eight million, four hundred six thousand, seven hundred twenty-eight".