509579470 has 16 divisors (see below), whose sum is σ = 918598320. Its totient is φ = 203530624.

The previous prime is 509579459. The next prime is 509579479. The reversal of 509579470 is 74975905.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 509579470.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (509579479) by changing a digit.

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, 30475 + ... + 44134.

It is an arithmetic number, because the mean of its divisors is an integer number (57412395).

Almost surely, 2^509579470 is an apocalyptic number.

509579470 is a deficient number, since it is larger than the sum of its proper divisors (409018850).

509579470 is a wasteful number, since it uses less digits than its factorization.

509579470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75299.

The product of its (nonzero) digits is 396900, while the sum is 46.

The square root of 509579470 is about 22573.8669704594. The cubic root of 509579470 is about 798.7373153746.

The spelling of 509579470 in words is "five hundred nine million, five hundred seventy-nine thousand, four hundred seventy".