2388828321 has 64 divisors (see below), whose sum is σ = 4183280640. Its totient is φ = 1330801920.

The previous prime is 2388828317. The next prime is 2388828329. The reversal of 2388828321 is 1238288832.

It is not a de Polignac number, because 2388828321 - 2² = 2388828317 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2388828329) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 211606 + ... + 222608.

It is an arithmetic number, because the mean of its divisors is an integer number (65363760).

Almost surely, 2^2388828321 is an apocalyptic number.

It is an amenable number.

2388828321 is a deficient number, since it is larger than the sum of its proper divisors (1794452319).

2388828321 is a wasteful number, since it uses less digits than its factorization.

2388828321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11083 (or 11077 counting only the distinct ones).

The product of its digits is 294912, while the sum is 45.

The square root of 2388828321 is about 48875.6413870959. The cubic root of 2388828321 is about 1336.7852545441.

The spelling of 2388828321 in words is "two billion, three hundred eighty-eight million, eight hundred twenty-eight thousand, three hundred twenty-one".