509226 has 8 divisors (see below), whose sum is σ = 1018464. Its totient is φ = 169740.

The previous prime is 509221. The next prime is 509227. The reversal of 509226 is 622905.

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

509226 is an admirable number.

It is a super-2 number, since 2×509226² = 518622238152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 509196 and 509205.

It is not an unprimeable number, because it can be changed into a prime (509221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42430 + ... + 42441.

It is an arithmetic number, because the mean of its divisors is an integer number (127308).

2⁵⁰⁹²²⁶ is an apocalyptic number.

509226 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

509226 is a wasteful number, since it uses less digits than its factorization.

509226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84876.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 509226 is about 713.6007286992. The cubic root of 509226 is about 79.8552591172.

The spelling of 509226 in words is "five hundred nine thousand, two hundred twenty-six".