338574138 has 16 divisors (see below), whose sum is σ = 773883840. Its totient is φ = 96735456.

The previous prime is 338574083. The next prime is 338574139. The reversal of 338574138 is 831475833.

338574138 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×338574138² = 229264893844886088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 8061289 = 338574138 / (3 + 3 + 8 + 5 + 7 + 4 + 1 + 3 + 8).

It is a self number, because there is not a number n which added to its sum of digits gives 338574138.

It is not an unprimeable number, because it can be changed into a prime (338574139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4030603 + ... + 4030686.

It is an arithmetic number, because the mean of its divisors is an integer number (48367740).

Almost surely, 2^338574138 is an apocalyptic number.

338574138 is an abundant number, since it is smaller than the sum of its proper divisors (435309702).

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

338574138 is a wasteful number, since it uses less digits than its factorization.

338574138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8061301.

The product of its digits is 241920, while the sum is 42.

The square root of 338574138 is about 18400.3841807719. The cubic root of 338574138 is about 696.9761660874.

The spelling of 338574138 in words is "three hundred thirty-eight million, five hundred seventy-four thousand, one hundred thirty-eight".