2398646417 has 4 divisors (see below), whose sum is σ = 2399596656. Its totient is φ = 2397696180.

The previous prime is 2398646413. The next prime is 2398646423. The reversal of 2398646417 is 7146468932.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2398646417 - 2² = 2398646413 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2398646413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 471323 + ... + 476384.

It is an arithmetic number, because the mean of its divisors is an integer number (599899164).

Almost surely, 2^2398646417 is an apocalyptic number.

It is an amenable number.

2398646417 is a deficient number, since it is larger than the sum of its proper divisors (950239).

2398646417 is an equidigital number, since it uses as much as digits as its factorization.

2398646417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950238.

The product of its digits is 1741824, while the sum is 50.

The square root of 2398646417 is about 48975.9779585870. The cubic root of 2398646417 is about 1338.6141492018.

The spelling of 2398646417 in words is "two billion, three hundred ninety-eight million, six hundred forty-six thousand, four hundred seventeen".