509036 has 24 divisors (see below), whose sum is σ = 1016064. Its totient is φ = 220880.

The previous prime is 509027. The next prime is 509053. The reversal of 509036 is 630905.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

509036 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 761 + ... + 1263.

It is an arithmetic number, because the mean of its divisors is an integer number (42336).

2⁵⁰⁹⁰³⁶ is an apocalyptic number.

It is an amenable number.

509036 is a deficient number, since it is larger than the sum of its proper divisors (507028).

509036 is a wasteful number, since it uses less digits than its factorization.

509036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541 (or 539 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 509036 is about 713.4675886121. The cubic root of 509036 is about 79.8453261427.

The spelling of 509036 in words is "five hundred nine thousand, thirty-six".