338720441 has 2 divisors, whose sum is σ = 338720442. Its totient is φ = 338720440.

The previous prime is 338720423. The next prime is 338720497. The reversal of 338720441 is 144027833.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 338707216 + 13225 = 18404^2 + 115^2 .

It is a cyclic number.

It is not a de Polignac number, because 338720441 - 2¹⁰ = 338719417 is a prime.

It is a super-2 number, since 2×338720441² = 229463074302468962, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 338720398 and 338720407.

It is not a weakly prime, because it can be changed into another prime (338720401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169360220 + 169360221.

It is an arithmetic number, because the mean of its divisors is an integer number (169360221).

Almost surely, 2^338720441 is an apocalyptic number.

It is an amenable number.

338720441 is a deficient number, since it is larger than the sum of its proper divisors (1).

338720441 is an equidigital number, since it uses as much as digits as its factorization.

338720441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 338720441 is about 18404.3592933848. The cubic root of 338720441 is about 697.0765429409.

The spelling of 338720441 in words is "three hundred thirty-eight million, seven hundred twenty thousand, four hundred forty-one".