538642934 has 16 divisors (see below), whose sum is σ = 844674048. Its totient is φ = 257128872.

The previous prime is 538642933. The next prime is 538642961. The reversal of 538642934 is 439246835.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538642933) 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 7 ways as a sum of consecutive naturals, for example, 14459 + ... + 35865.

It is an arithmetic number, because the mean of its divisors is an integer number (52792128).

Almost surely, 2^538642934 is an apocalyptic number.

538642934 is a deficient number, since it is larger than the sum of its proper divisors (306031114).

538642934 is a wasteful number, since it uses less digits than its factorization.

538642934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21979.

The product of its digits is 622080, while the sum is 44.

The square root of 538642934 is about 23208.6822977954. The cubic root of 538642934 is about 813.6425564705.

The spelling of 538642934 in words is "five hundred thirty-eight million, six hundred forty-two thousand, nine hundred thirty-four".