509734328 has 16 divisors (see below), whose sum is σ = 966492000. Its totient is φ = 252003136.

The previous prime is 509734327. The next prime is 509734343. The reversal of 509734328 is 823437905.

It is a super-2 number, since 2×509734328² = 519658170283223168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (509734327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357248 + ... + 358671.

It is an arithmetic number, because the mean of its divisors is an integer number (60405750).

Almost surely, 2^509734328 is an apocalyptic number.

It is an amenable number.

509734328 is a deficient number, since it is larger than the sum of its proper divisors (456757672).

509734328 is a wasteful number, since it uses less digits than its factorization.

509734328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716014 (or 716010 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 509734328 is about 22577.2967380951. The cubic root of 509734328 is about 798.8182175976.

The spelling of 509734328 in words is "five hundred nine million, seven hundred thirty-four thousand, three hundred twenty-eight".