338539542 has 32 divisors (see below), whose sum is σ = 756653184. Its totient is φ = 100084800.

The previous prime is 338539541. The next prime is 338539589. The reversal of 338539542 is 245935833.

It is a super-2 number, since 2×338539542² = 229218042995139528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 338539494 and 338539503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338539541) 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 15 ways as a sum of consecutive naturals, for example, 59848 + ... + 65259.

It is an arithmetic number, because the mean of its divisors is an integer number (23645412).

Almost surely, 2^338539542 is an apocalyptic number.

338539542 is an abundant number, since it is smaller than the sum of its proper divisors (418113642).

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

338539542 is a wasteful number, since it uses less digits than its factorization.

338539542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125164.

The product of its digits is 388800, while the sum is 42.

The square root of 338539542 is about 18399.4440676886. Note that the first 3 decimals coincide. The cubic root of 338539542 is about 696.9524259312.

The spelling of 338539542 in words is "three hundred thirty-eight million, five hundred thirty-nine thousand, five hundred forty-two".