538394934 has 32 divisors (see below), whose sum is σ = 1342492416. Its totient is φ = 139842720.

The previous prime is 538394933. The next prime is 538394951. The reversal of 538394934 is 439493835.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538394933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 582217 + ... + 583140.

It is an arithmetic number, because the mean of its divisors is an integer number (41952888).

Almost surely, 2^538394934 is an apocalyptic number.

538394934 is an abundant number, since it is smaller than the sum of its proper divisors (804097482).

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

538394934 is a wasteful number, since it uses less digits than its factorization.

538394934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165380.

The product of its digits is 1399680, while the sum is 48.

The square root of 538394934 is about 23203.3388545700. The cubic root of 538394934 is about 813.5176658628.

The spelling of 538394934 in words is "five hundred thirty-eight million, three hundred ninety-four thousand, nine hundred thirty-four".