338918886 has 12 divisors (see below), whose sum is σ = 734324292. Its totient is φ = 112972956.

The previous prime is 338918857. The next prime is 338918887. The reversal of 338918886 is 688819833.

It is a happy number.

338918886 is a `hidden beast` number, since 3 + 389 + 188 + 86 = 666.

It is a super-2 number, since 2×338918886² = 229732022574961992, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338918887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9414396 + ... + 9414431.

It is an arithmetic number, because the mean of its divisors is an integer number (61193691).

Almost surely, 2^338918886 is an apocalyptic number.

338918886 is an abundant number, since it is smaller than the sum of its proper divisors (395405406).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

338918886 is a wasteful number, since it uses less digits than its factorization.

338918886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18828835 (or 18828832 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 54.

The square root of 338918886 is about 18409.7497538668. The cubic root of 338918886 is about 697.2126476574.

The spelling of 338918886 in words is "three hundred thirty-eight million, nine hundred eighteen thousand, eight hundred eighty-six".