338399651 has 2 divisors, whose sum is σ = 338399652. Its totient is φ = 338399650.

The previous prime is 338399639. The next prime is 338399707. The reversal of 338399651 is 156993833.

It is a weak prime.

It is an emirp because it is prime and its reverse (156993833) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 338399651 - 2⁶ = 338399587 is a prime.

It is a super-2 number, since 2×338399651² = 229028647593843602, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 338399596 and 338399605.

It is not a weakly prime, because it can be changed into another prime (338399951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169199825 + 169199826.

It is an arithmetic number, because the mean of its divisors is an integer number (169199826).

Almost surely, 2^338399651 is an apocalyptic number.

338399651 is a deficient number, since it is larger than the sum of its proper divisors (1).

338399651 is an equidigital number, since it uses as much as digits as its factorization.

338399651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 524880, while the sum is 47.

The square root of 338399651 is about 18395.6421741672. The cubic root of 338399651 is about 696.8564146907.

The spelling of 338399651 in words is "three hundred thirty-eight million, three hundred ninety-nine thousand, six hundred fifty-one".