338674687 has 4 divisors (see below), whose sum is σ = 364726600. Its totient is φ = 312622776.

The previous prime is 338674669. The next prime is 338674709. The reversal of 338674687 is 786476833.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 786476833 = 3847 ⋅204439.

It is a cyclic number.

It is not a de Polignac number, because 338674687 - 2⁷ = 338674559 is a prime.

It is a super-2 number, since 2×338674687² = 229401087229095938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338674607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13025937 + ... + 13025962.

It is an arithmetic number, because the mean of its divisors is an integer number (91181650).

Almost surely, 2^338674687 is an apocalyptic number.

338674687 is a deficient number, since it is larger than the sum of its proper divisors (26051913).

338674687 is a wasteful number, since it uses less digits than its factorization.

338674687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26051912.

The product of its digits is 4064256, while the sum is 52.

The square root of 338674687 is about 18403.1162306822. The cubic root of 338674687 is about 697.0451547395.

It can be divided in two parts, 3386746 and 87, that added together give a palindrome (3386833).

The spelling of 338674687 in words is "three hundred thirty-eight million, six hundred seventy-four thousand, six hundred eighty-seven".