509039682 has 16 divisors (see below), whose sum is σ = 1042911072. Its totient is φ = 165541280.

The previous prime is 509039681. The next prime is 509039711. The reversal of 509039682 is 286930905.

It is a super-2 number, since 2×509039682² = 518242795701322248, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (509039681) 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, 1034388 + ... + 1034879.

It is an arithmetic number, because the mean of its divisors is an integer number (65181942).

Almost surely, 2^509039682 is an apocalyptic number.

509039682 is an abundant number, since it is smaller than the sum of its proper divisors (533871390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

509039682 is a wasteful number, since it uses less digits than its factorization.

509039682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2069313.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 509039682 is about 22561.9077650805. The cubic root of 509039682 is about 798.4551865678.

The spelling of 509039682 in words is "five hundred nine million, thirty-nine thousand, six hundred eighty-two".