338563645 has 8 divisors (see below), whose sum is σ = 464315904. Its totient is φ = 232157904.

The previous prime is 338563627. The next prime is 338563651. The reversal of 338563645 is 546365833.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 338563645 - 2¹⁹ = 338039357 is a prime.

It is a super-2 number, since 2×338563645² = 229250683431372050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4836589 + ... + 4836658.

It is an arithmetic number, because the mean of its divisors is an integer number (58039488).

Almost surely, 2^338563645 is an apocalyptic number.

338563645 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

338563645 is a deficient number, since it is larger than the sum of its proper divisors (125752259).

338563645 is an equidigital number, since it uses as much as digits as its factorization.

338563645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9673259.

The product of its digits is 777600, while the sum is 43.

The square root of 338563645 is about 18400.0990486465. The cubic root of 338563645 is about 696.9689658461.

The spelling of 338563645 in words is "three hundred thirty-eight million, five hundred sixty-three thousand, six hundred forty-five".