509066 has 16 divisors (see below), whose sum is σ = 807840. Its totient is φ = 240240.

The previous prime is 509063. The next prime is 509071. The reversal of 509066 is 660905.

It is not an unprimeable number, because it can be changed into a prime (509063) 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, 3821 + ... + 3951.

It is an arithmetic number, because the mean of its divisors is an integer number (50490).

2⁵⁰⁹⁰⁶⁶ is an apocalyptic number.

509066 is a deficient number, since it is larger than the sum of its proper divisors (298774).

509066 is a wasteful number, since it uses less digits than its factorization.

509066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 509066 is about 713.4886123828. The cubic root of 509066 is about 79.8468946714.

The spelling of 509066 in words is "five hundred nine thousand, sixty-six".