338320819 has 2 divisors, whose sum is σ = 338320820. Its totient is φ = 338320818.

The previous prime is 338320813. The next prime is 338320831. The reversal of 338320819 is 918023833.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 338320819 - 2¹⁵ = 338288051 is a prime.

It is a super-2 number, since 2×338320819² = 228921953137661522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (338320813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169160409 + 169160410.

It is an arithmetic number, because the mean of its divisors is an integer number (169160410).

Almost surely, 2^338320819 is an apocalyptic number.

338320819 is a deficient number, since it is larger than the sum of its proper divisors (1).

338320819 is an equidigital number, since it uses as much as digits as its factorization.

338320819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 338320819 is about 18393.4993679832. The cubic root of 338320819 is about 696.8022983512.

The spelling of 338320819 in words is "three hundred thirty-eight million, three hundred twenty thousand, eight hundred nineteen".