338400938 has 8 divisors (see below), whose sum is σ = 512529888. Its totient is φ = 167557644.

The previous prime is 338400899. The next prime is 338400947. The reversal of 338400938 is 839004833.

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

It is a super-2 number, since 2×338400938² = 229030389678559688, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 821156 + ... + 821567.

It is an arithmetic number, because the mean of its divisors is an integer number (64066236).

Almost surely, 2^338400938 is an apocalyptic number.

338400938 is a deficient number, since it is larger than the sum of its proper divisors (174128950).

338400938 is a wasteful number, since it uses less digits than its factorization.

338400938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1642828.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 338400938 is about 18395.6771552449. The cubic root of 338400938 is about 696.8572981166.

The spelling of 338400938 in words is "three hundred thirty-eight million, four hundred thousand, nine hundred thirty-eight".