2338857728 has 72 divisors (see below), whose sum is σ = 4743739728. Its totient is φ = 1150779392.

The previous prime is 2338857709. The next prime is 2338857733. The reversal of 2338857728 is 8277588332.

It is a self number, because there is not a number n which added to its sum of digits gives 2338857728.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6740051 + ... + 6740397.

It is an arithmetic number, because the mean of its divisors is an integer number (65885274).

Almost surely, 2^2338857728 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 2338857728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2371869864).

2338857728 is an abundant number, since it is smaller than the sum of its proper divisors (2404882000).

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

2338857728 is a wasteful number, since it uses less digits than its factorization.

2338857728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709 (or 695 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 53.

The square root of 2338857728 is about 48361.7382648722. The cubic root of 2338857728 is about 1327.3983339233.

The spelling of 2338857728 in words is "two billion, three hundred thirty-eight million, eight hundred fifty-seven thousand, seven hundred twenty-eight".