2393788238 has 16 divisors (see below), whose sum is σ = 3777462000. Its totient is φ = 1136033472.

The previous prime is 2393788237. The next prime is 2393788249. The reversal of 2393788238 is 8328873932.

It is a self number, because there is not a number n which added to its sum of digits gives 2393788238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2393788237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 346343 + ... + 353186.

It is an arithmetic number, because the mean of its divisors is an integer number (236091375).

Almost surely, 2^2393788238 is an apocalyptic number.

2393788238 is a deficient number, since it is larger than the sum of its proper divisors (1383673762).

2393788238 is a wasteful number, since it uses less digits than its factorization.

2393788238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699619.

The product of its digits is 3483648, while the sum is 53.

The square root of 2393788238 is about 48926.3552494972. The cubic root of 2393788238 is about 1337.7098026838.

The spelling of 2393788238 in words is "two billion, three hundred ninety-three million, seven hundred eighty-eight thousand, two hundred thirty-eight".