338872168 has 8 divisors (see below), whose sum is σ = 635385330. Its totient is φ = 169436080.

The previous prime is 338872153. The next prime is 338872181. The reversal of 338872168 is 861278833.

It can be written as a sum of positive squares in only one way, i.e., 308423844 + 30448324 = 17562^2 + 5518^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×338872168² = 229668692490040448, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 21179503 + ... + 21179518.

Almost surely, 2^338872168 is an apocalyptic number.

It is an amenable number.

338872168 is a deficient number, since it is larger than the sum of its proper divisors (296513162).

338872168 is a wasteful number, since it uses less digits than its factorization.

338872168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42359027 (or 42359023 counting only the distinct ones).

The product of its digits is 387072, while the sum is 46.

The square root of 338872168 is about 18408.4808715983. The cubic root of 338872168 is about 697.1806106140.

The spelling of 338872168 in words is "three hundred thirty-eight million, eight hundred seventy-two thousand, one hundred sixty-eight".