509730214 has 16 divisors (see below), whose sum is σ = 919814400. Its totient is φ = 206958024.

The previous prime is 509730191. The next prime is 509730239. The reversal of 509730214 is 412037905.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 957874 + ... + 958405.

It is an arithmetic number, because the mean of its divisors is an integer number (57488400).

Almost surely, 2^509730214 is an apocalyptic number.

509730214 is a deficient number, since it is larger than the sum of its proper divisors (410084186).

509730214 is a wasteful number, since it uses less digits than its factorization.

509730214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1916307.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 509730214 is about 22577.2056286866. The cubic root of 509730214 is about 798.8160685389.

The spelling of 509730214 in words is "five hundred nine million, seven hundred thirty thousand, two hundred fourteen".