8238940215 has 96 divisors (see below), whose sum is σ = 15087894528. Its totient is φ = 3832012800.

The previous prime is 8238940169. The next prime is 8238940243. The reversal of 8238940215 is 5120498328.

It is not a de Polignac number, because 8238940215 - 2¹² = 8238936119 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7145079 + ... + 7146231.

It is an arithmetic number, because the mean of its divisors is an integer number (157165568).

Almost surely, 2^8238940215 is an apocalyptic number.

8238940215 is a deficient number, since it is larger than the sum of its proper divisors (6848954313).

8238940215 is a wasteful number, since it uses less digits than its factorization.

8238940215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341 (or 1330 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 8238940215 is about 90768.6080922254. The cubic root of 8238940215 is about 2019.7166722673.

The spelling of 8238940215 in words is "eight billion, two hundred thirty-eight million, nine hundred forty thousand, two hundred fifteen".