338854918 has 4 divisors (see below), whose sum is σ = 508282380. Its totient is φ = 169427458.

The previous prime is 338854909. The next prime is 338854933. The reversal of 338854918 is 819458833.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 819458833 = 103 ⋅7955911.

It is a super-2 number, since 2×338854918² = 229645310905573448, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84713728 + ... + 84713731.

It is an arithmetic number, because the mean of its divisors is an integer number (127070595).

Almost surely, 2^338854918 is an apocalyptic number.

338854918 is a deficient number, since it is larger than the sum of its proper divisors (169427462).

338854918 is a wasteful number, since it uses less digits than its factorization.

338854918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169427461.

The product of its digits is 829440, while the sum is 49.

The square root of 338854918 is about 18408.0123315908. The cubic root of 338854918 is about 697.1687806175.

The spelling of 338854918 in words is "three hundred thirty-eight million, eight hundred fifty-four thousand, nine hundred eighteen".