2398338931 has 2 divisors, whose sum is σ = 2398338932. Its totient is φ = 2398338930.

The previous prime is 2398338919. The next prime is 2398338941. The reversal of 2398338931 is 1398338932.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2398338931 - 2²³ = 2389950323 is a prime.

It is a super-2 number, since 2×2398338931² = 11504059255900445522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2398338941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1199169465 + 1199169466.

It is an arithmetic number, because the mean of its divisors is an integer number (1199169466).

Almost surely, 2^2398338931 is an apocalyptic number.

2398338931 is a deficient number, since it is larger than the sum of its proper divisors (1).

2398338931 is an equidigital number, since it uses as much as digits as its factorization.

2398338931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 839808, while the sum is 49.

The square root of 2398338931 is about 48972.8387067770. The cubic root of 2398338931 is about 1338.5569471208.

Subtracting from 2398338931 its reverse (1398338932), we obtain a palindrome (999999999).

The spelling of 2398338931 in words is "two billion, three hundred ninety-eight million, three hundred thirty-eight thousand, nine hundred thirty-one".