538681834 has 8 divisors (see below), whose sum is σ = 808841088. Its totient is φ = 269068140.

The previous prime is 538681817. The next prime is 538681841. The reversal of 538681834 is 438186835.

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 133912 + ... + 137875.

It is an arithmetic number, because the mean of its divisors is an integer number (101105136).

Almost surely, 2^538681834 is an apocalyptic number.

538681834 is a deficient number, since it is larger than the sum of its proper divisors (270159254).

538681834 is a wasteful number, since it uses less digits than its factorization.

538681834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272780.

The product of its digits is 552960, while the sum is 46.

The square root of 538681834 is about 23209.5203311055. The cubic root of 538681834 is about 813.6621426884.

The spelling of 538681834 in words is "five hundred thirty-eight million, six hundred eighty-one thousand, eight hundred thirty-four".