2399093217 has 12 divisors (see below), whose sum is σ = 3522166804. Its totient is φ = 1573175520.

The previous prime is 2399093141. The next prime is 2399093297. The reversal of 2399093217 is 7123909932.

It is a happy number.

2399093217 is a `hidden beast` number, since 239 + 90 + 9 + 321 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 711608976 + 1687484241 = 26676^2 + 41079^2 .

It is not a de Polignac number, because 2399093217 - 2¹⁹ = 2398568929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2399093297) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2184418 + ... + 2185515.

Almost surely, 2^2399093217 is an apocalyptic number.

It is an amenable number.

2399093217 is a deficient number, since it is larger than the sum of its proper divisors (1123073587).

2399093217 is a wasteful number, since it uses less digits than its factorization.

2399093217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4370000 (or 4369997 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 45.

The square root of 2399093217 is about 48980.5391660811. The cubic root of 2399093217 is about 1338.6972593628.

The spelling of 2399093217 in words is "two billion, three hundred ninety-nine million, ninety-three thousand, two hundred seventeen".