338463563 has 4 divisors (see below), whose sum is σ = 344012208. Its totient is φ = 332914920.

The previous prime is 338463491. The next prime is 338463581. The reversal of 338463563 is 365364833.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 338463563 - 2²⁸ = 70028107 is a prime.

It is a super-2 number, since 2×338463563² = 229115166957309938, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 338463563.

It is not an unprimeable number, because it can be changed into a prime (308463563) 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 in 3 ways as a sum of consecutive naturals, for example, 2774231 + ... + 2774352.

It is an arithmetic number, because the mean of its divisors is an integer number (86003052).

Almost surely, 2^338463563 is an apocalyptic number.

338463563 is a deficient number, since it is larger than the sum of its proper divisors (5548645).

338463563 is an equidigital number, since it uses as much as digits as its factorization.

338463563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5548644.

The product of its digits is 466560, while the sum is 41.

The square root of 338463563 is about 18397.3792427074. The cubic root of 338463563 is about 696.9002826275.

The spelling of 338463563 in words is "three hundred thirty-eight million, four hundred sixty-three thousand, five hundred sixty-three".