479428609 has 16 divisors (see below), whose sum is σ = 558512640. Its totient is φ = 407232000.

The previous prime is 479428601. The next prime is 479428633. The reversal of 479428609 is 906824974.

It is a cyclic number.

It is not a de Polignac number, because 479428609 - 2³ = 479428601 is a prime.

It is a super-2 number, since 2×479428609² = 459703582255349762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (479428601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14352 + ... + 34129.

It is an arithmetic number, because the mean of its divisors is an integer number (34907040).

It is a Proth number, since it is equal to 14631 ⋅ 2¹⁵ + 1 and 14631 < 2¹⁵.

Almost surely, 2^479428609 is an apocalyptic number.

It is an amenable number.

479428609 is a deficient number, since it is larger than the sum of its proper divisors (79084031).

479428609 is a wasteful number, since it uses less digits than its factorization.

479428609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48552.

The product of its (nonzero) digits is 870912, while the sum is 49.

The square root of 479428609 is about 21895.8582613242. The cubic root of 479428609 is about 782.6627215210.

The spelling of 479428609 in words is "four hundred seventy-nine million, four hundred twenty-eight thousand, six hundred nine".