2398829409 has 12 divisors (see below), whose sum is σ = 3479356452. Its totient is φ = 1592582400.

The previous prime is 2398829351. The next prime is 2398829417. The reversal of 2398829409 is 9049288932.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1826280225 + 572549184 = 42735^2 + 23928^2 .

It is not a de Polignac number, because 2398829409 - 2¹² = 2398825313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2398829479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 550812 + ... + 555149.

It is an arithmetic number, because the mean of its divisors is an integer number (289946371).

Almost surely, 2^2398829409 is an apocalyptic number.

It is an amenable number.

2398829409 is a deficient number, since it is larger than the sum of its proper divisors (1080527043).

2398829409 is a wasteful number, since it uses less digits than its factorization.

2398829409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106208 (or 1106205 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The square root of 2398829409 is about 48977.8461041316. The cubic root of 2398829409 is about 1338.6481891572.

The spelling of 2398829409 in words is "two billion, three hundred ninety-eight million, eight hundred twenty-nine thousand, four hundred nine".