509430734 has 8 divisors (see below), whose sum is σ = 767426400. Its totient is φ = 253621936.

The previous prime is 509430673. The next prime is 509430743. The reversal of 509430734 is 437034905.

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

It is a junction number, because it is equal to n+sod(n) for n = 509430694 and 509430703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 546134 + ... + 547065.

It is an arithmetic number, because the mean of its divisors is an integer number (95928300).

Almost surely, 2^509430734 is an apocalyptic number.

509430734 is a deficient number, since it is larger than the sum of its proper divisors (257995666).

509430734 is a wasteful number, since it uses less digits than its factorization.

509430734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093434.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 509430734 is about 22570.5723011181. The cubic root of 509430734 is about 798.6595960258.

The spelling of 509430734 in words is "five hundred nine million, four hundred thirty thousand, seven hundred thirty-four".