338427642 has 32 divisors (see below), whose sum is σ = 775171584. Its totient is φ = 96490800.

The previous prime is 338427637. The next prime is 338427643. The reversal of 338427642 is 246724833.

338427642 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 2×338427642² = 229066537739360328, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 338427642.

It is not an unprimeable number, because it can be changed into a prime (338427643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12417 + ... + 28827.

It is an arithmetic number, because the mean of its divisors is an integer number (24224112).

Almost surely, 2^338427642 is an apocalyptic number.

338427642 is an abundant number, since it is smaller than the sum of its proper divisors (436743942).

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

338427642 is a wasteful number, since it uses less digits than its factorization.

338427642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16914.

The product of its digits is 193536, while the sum is 39.

The square root of 338427642 is about 18396.4029636231. The cubic root of 338427642 is about 696.8756278410.

The spelling of 338427642 in words is "three hundred thirty-eight million, four hundred twenty-seven thousand, six hundred forty-two".