338273387 has 4 divisors (see below), whose sum is σ = 338313480. Its totient is φ = 338233296.

The previous prime is 338273381. The next prime is 338273393. The reversal of 338273387 is 783372833.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 783372833 = 409 ⋅1915337.

It is an interprime number because it is at equal distance from previous prime (338273381) and next prime (338273393).

It is a cyclic number.

It is not a de Polignac number, because 338273387 - 2²⁴ = 321496171 is a prime.

It is a super-2 number, since 2×338273387² = 228857768704903538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (338273381) 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 3 ways as a sum of consecutive naturals, for example, 1937 + ... + 26082.

It is an arithmetic number, because the mean of its divisors is an integer number (84578370).

Almost surely, 2^338273387 is an apocalyptic number.

338273387 is a deficient number, since it is larger than the sum of its proper divisors (40093).

338273387 is a wasteful number, since it uses less digits than its factorization.

338273387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40092.

The product of its digits is 508032, while the sum is 44.

The square root of 338273387 is about 18392.2099542170. The cubic root of 338273387 is about 696.7697333326.

The spelling of 338273387 in words is "three hundred thirty-eight million, two hundred seventy-three thousand, three hundred eighty-seven".