538764329 has 4 divisors (see below), whose sum is σ = 551293776. Its totient is φ = 526234884.

The previous prime is 538764319. The next prime is 538764379. The reversal of 538764329 is 923467835.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 538764329 - 2¹⁶ = 538698793 is a prime.

It is a super-4 number, since 4×538764329⁴ (a number of 36 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (538764319) 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 3 ways as a sum of consecutive naturals, for example, 6264659 + ... + 6264744.

It is an arithmetic number, because the mean of its divisors is an integer number (137823444).

Almost surely, 2^538764329 is an apocalyptic number.

It is an amenable number.

538764329 is a deficient number, since it is larger than the sum of its proper divisors (12529447).

538764329 is a wasteful number, since it uses less digits than its factorization.

538764329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12529446.

The product of its digits is 1088640, while the sum is 47.

The square root of 538764329 is about 23211.2974432710. The cubic root of 538764329 is about 813.7036759448.

The spelling of 538764329 in words is "five hundred thirty-eight million, seven hundred sixty-four thousand, three hundred twenty-nine".