538194765 has 16 divisors (see below), whose sum is σ = 875229696. Its totient is φ = 282331200.

The previous prime is 538194749. The next prime is 538194799. The reversal of 538194765 is 567491835.

It is not a de Polignac number, because 538194765 - 2⁴ = 538194749 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 293181 + ... + 295010.

It is an arithmetic number, because the mean of its divisors is an integer number (54701856).

Almost surely, 2^538194765 is an apocalyptic number.

It is an amenable number.

538194765 is a deficient number, since it is larger than the sum of its proper divisors (337034931).

538194765 is a wasteful number, since it uses less digits than its factorization.

538194765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588260.

The product of its digits is 907200, while the sum is 48.

The square root of 538194765 is about 23199.0250872747. The cubic root of 538194765 is about 813.4168345509.

The spelling of 538194765 in words is "five hundred thirty-eight million, one hundred ninety-four thousand, seven hundred sixty-five".