506434729 has 8 divisors (see below), whose sum is σ = 517731840. Its totient is φ = 495159456.

The previous prime is 506434717. The next prime is 506434757. The reversal of 506434729 is 927434605.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 506434729 - 2¹¹ = 506432681 is a prime.

It is a super-2 number, since 2×506434729² = 512952269474606882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 506434691 and 506434700.

It is not an unprimeable number, because it can be changed into a prime (506431729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46957 + ... + 56725.

It is an arithmetic number, because the mean of its divisors is an integer number (64716480).

Almost surely, 2^506434729 is an apocalyptic number.

It is an amenable number.

506434729 is a deficient number, since it is larger than the sum of its proper divisors (11297111).

506434729 is a wasteful number, since it uses less digits than its factorization.

506434729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10919.

The product of its (nonzero) digits is 181440, while the sum is 40.

The square root of 506434729 is about 22504.1047144738. The cubic root of 506434729 is about 797.0908552735.

It can be divided in two parts, 5064 and 34729, that added together give a palindrome (39793).

The spelling of 506434729 in words is "five hundred six million, four hundred thirty-four thousand, seven hundred twenty-nine".