338175421 has 8 divisors (see below), whose sum is σ = 346812984. Its totient is φ = 329556480.

The previous prime is 338175419. The next prime is 338175469. The reversal of 338175421 is 124571833.

It can be written as a sum of positive squares in 4 ways, for example, as 63776196 + 274399225 = 7986^2 + 16565^2 .

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 338175421 - 2¹ = 338175419 is a prime.

It is a super-2 number, since 2×338175421² = 228725230737054482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338175401) 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 7 ways as a sum of consecutive naturals, for example, 36741 + ... + 45013.

It is an arithmetic number, because the mean of its divisors is an integer number (43351623).

Almost surely, 2^338175421 is an apocalyptic number.

It is an amenable number.

338175421 is a deficient number, since it is larger than the sum of its proper divisors (8637563).

338175421 is an equidigital number, since it uses as much as digits as its factorization.

338175421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9311.

The product of its digits is 20160, while the sum is 34.

The square root of 338175421 is about 18389.5465142564. The cubic root of 338175421 is about 696.7024639415.

The spelling of 338175421 in words is "three hundred thirty-eight million, one hundred seventy-five thousand, four hundred twenty-one".