338435881 has 8 divisors (see below), whose sum is σ = 409536000. Its totient is φ = 273023808.

The previous prime is 338435873. The next prime is 338435891. The reversal of 338435881 is 188534833.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 338435881 - 2³ = 338435873 is a prime.

It is a super-2 number, since 2×338435881² = 229077691096492322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (338435891) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 1421881 + ... + 1422118.

It is an arithmetic number, because the mean of its divisors is an integer number (51192000).

Almost surely, 2^338435881 is an apocalyptic number.

It is an amenable number.

338435881 is a deficient number, since it is larger than the sum of its proper divisors (71100119).

338435881 is a wasteful number, since it uses less digits than its factorization.

338435881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2844023.

The product of its digits is 276480, while the sum is 43.

The square root of 338435881 is about 18396.6268919060. The cubic root of 338435881 is about 696.8812829265.

The spelling of 338435881 in words is "three hundred thirty-eight million, four hundred thirty-five thousand, eight hundred eighty-one".