509230490 has 16 divisors (see below), whose sum is σ = 946183680. Its totient is φ = 197121360.

The previous prime is 509230471. The next prime is 509230523. The reversal of 509230490 is 94032905.

It is a Curzon 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, 821030 + ... + 821649.

It is an arithmetic number, because the mean of its divisors is an integer number (59136480).

Almost surely, 2^509230490 is an apocalyptic number.

509230490 is a deficient number, since it is larger than the sum of its proper divisors (436953190).

509230490 is a wasteful number, since it uses less digits than its factorization.

509230490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1642717.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 509230490 is about 22566.1359120253. The cubic root of 509230490 is about 798.5549381921.

The spelling of 509230490 in words is "five hundred nine million, two hundred thirty thousand, four hundred ninety".