479789 has 4 divisors (see below), whose sum is σ = 482400. Its totient is φ = 477180.

The previous prime is 479783. The next prime is 479797. The reversal of 479789 is 987974.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 479789 - 2⁸ = 479533 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (479783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1007 + ... + 1404.

It is an arithmetic number, because the mean of its divisors is an integer number (120600).

2⁴⁷⁹⁷⁸⁹ is an apocalyptic number.

It is an amenable number.

479789 is a deficient number, since it is larger than the sum of its proper divisors (2611).

479789 is a wasteful number, since it uses less digits than its factorization.

479789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2610.

The product of its digits is 127008, while the sum is 44.

The square root of 479789 is about 692.6680301559. The cubic root of 479789 is about 78.2858784048.

The spelling of 479789 in words is "four hundred seventy-nine thousand, seven hundred eighty-nine".