338722873 has 2 divisors, whose sum is σ = 338722874. Its totient is φ = 338722872.

The previous prime is 338722859. The next prime is 338722877. The reversal of 338722873 is 378227833.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 266081344 + 72641529 = 16312^2 + 8523^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-338722873 is a prime.

It is a super-3 number, since 3×338722873³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (338722877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169361436 + 169361437.

It is an arithmetic number, because the mean of its divisors is an integer number (169361437).

Almost surely, 2^338722873 is an apocalyptic number.

It is an amenable number.

338722873 is a deficient number, since it is larger than the sum of its proper divisors (1).

338722873 is an equidigital number, since it uses as much as digits as its factorization.

338722873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 338688, while the sum is 43.

The square root of 338722873 is about 18404.4253645693. The cubic root of 338722873 is about 697.0782112647.

The spelling of 338722873 in words is "three hundred thirty-eight million, seven hundred twenty-two thousand, eight hundred seventy-three".