338654429 has 2 divisors, whose sum is σ = 338654430. Its totient is φ = 338654428.

The previous prime is 338654413. The next prime is 338654473. The reversal of 338654429 is 924456833.

It is an a-pointer prime, because the next prime (338654473) can be obtained adding 338654429 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 315595225 + 23059204 = 17765^2 + 4802^2 .

It is a cyclic number.

It is not a de Polignac number, because 338654429 - 2⁴ = 338654413 is a prime.

It is a super-2 number, since 2×338654429² = 229373644562632082, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 338654429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (338654479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169327214 + 169327215.

It is an arithmetic number, because the mean of its divisors is an integer number (169327215).

Almost surely, 2^338654429 is an apocalyptic number.

It is an amenable number.

338654429 is a deficient number, since it is larger than the sum of its proper divisors (1).

338654429 is an equidigital number, since it uses as much as digits as its factorization.

338654429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 622080, while the sum is 44.

The square root of 338654429 is about 18402.5658265363. The cubic root of 338654429 is about 697.0312564246.

The spelling of 338654429 in words is "three hundred thirty-eight million, six hundred fifty-four thousand, four hundred twenty-nine".