338006663 has 2 divisors, whose sum is σ = 338006664. Its totient is φ = 338006662.

The previous prime is 338006659. The next prime is 338006681. The reversal of 338006663 is 366600833.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 338006663 - 2² = 338006659 is a prime.

It is a super-2 number, since 2×338006663² = 228497008464791138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (338006623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169003331 + 169003332.

It is an arithmetic number, because the mean of its divisors is an integer number (169003332).

Almost surely, 2^338006663 is an apocalyptic number.

338006663 is a deficient number, since it is larger than the sum of its proper divisors (1).

338006663 is an equidigital number, since it uses as much as digits as its factorization.

338006663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 35.

The square root of 338006663 is about 18384.9575196681. The cubic root of 338006663 is about 696.5865540025.

The spelling of 338006663 in words is "three hundred thirty-eight million, six thousand, six hundred sixty-three".