338607149 has 2 divisors, whose sum is σ = 338607150. Its totient is φ = 338607148.

The previous prime is 338607121. The next prime is 338607167. The reversal of 338607149 is 941706833.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 193404649 + 145202500 = 13907^2 + 12050^2 .

It is an emirp because it is prime and its reverse (941706833) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 338607149 - 2¹⁶ = 338541613 is a prime.

It is a super-2 number, since 2×338607149² = 229309602707816402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (338607109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169303574 + 169303575.

It is an arithmetic number, because the mean of its divisors is an integer number (169303575).

Almost surely, 2^338607149 is an apocalyptic number.

It is an amenable number.

338607149 is a deficient number, since it is larger than the sum of its proper divisors (1).

338607149 is an equidigital number, since it uses as much as digits as its factorization.

338607149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 338607149 is about 18401.2811782223. The cubic root of 338607149 is about 696.9988170914.

The spelling of 338607149 in words is "three hundred thirty-eight million, six hundred seven thousand, one hundred forty-nine".