509464 has 16 divisors (see below), whose sum is σ = 978120. Its totient is φ = 248640.

The previous prime is 509449. The next prime is 509477. The reversal of 509464 is 464905.

It is a zygodrome in base 2.

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, 397 + ... + 1084.

2⁵⁰⁹⁴⁶⁴ is an apocalyptic number.

It is an amenable number.

509464 is a deficient number, since it is larger than the sum of its proper divisors (468656).

509464 is a wasteful number, since it uses less digits than its factorization.

509464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1530 (or 1526 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 509464 is about 713.7674691382. The cubic root of 509464 is about 79.8676979895.

The spelling of 509464 in words is "five hundred nine thousand, four hundred sixty-four".