338484138 has 16 divisors (see below), whose sum is σ = 677174016. Its totient is φ = 112793760.

The previous prime is 338484101. The next prime is 338484173. The reversal of 338484138 is 831484833.

It is a super-2 number, since 2×338484138² = 229143023355206088, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 338484138.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20295 + ... + 32997.

It is an arithmetic number, because the mean of its divisors is an integer number (42323376).

Almost surely, 2^338484138 is an apocalyptic number.

338484138 is an abundant number, since it is smaller than the sum of its proper divisors (338689878).

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

338484138 is a wasteful number, since it uses less digits than its factorization.

338484138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17149.

The product of its digits is 221184, while the sum is 42.

The square root of 338484138 is about 18397.9384171162. The cubic root of 338484138 is about 696.9144037269.

The spelling of 338484138 in words is "three hundred thirty-eight million, four hundred eighty-four thousand, one hundred thirty-eight".