338033866 has 4 divisors (see below), whose sum is σ = 507050802. Its totient is φ = 169016932.

The previous prime is 338033809. The next prime is 338033893. The reversal of 338033866 is 668330833.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 668330833 = 19 ⋅35175307.

It can be written as a sum of positive squares in only one way, i.e., 337493641 + 540225 = 18371^2 + 735^2 .

It is a super-2 number, since 2×338033866² = 228533789125811912, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84508465 + ... + 84508468.

Almost surely, 2^338033866 is an apocalyptic number.

338033866 is a deficient number, since it is larger than the sum of its proper divisors (169016936).

338033866 is a wasteful number, since it uses less digits than its factorization.

338033866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169016935.

The product of its (nonzero) digits is 186624, while the sum is 40.

The square root of 338033866 is about 18385.6973215595. The cubic root of 338033866 is about 696.6052407502.

The spelling of 338033866 in words is "three hundred thirty-eight million, thirty-three thousand, eight hundred sixty-six".