479784 has 16 divisors (see below), whose sum is σ = 1199520. Its totient is φ = 159920.

The previous prime is 479783. The next prime is 479797. The reversal of 479784 is 487974.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 479784.

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, 9972 + ... + 10019.

It is an arithmetic number, because the mean of its divisors is an integer number (74970).

2⁴⁷⁹⁷⁸⁴ is an apocalyptic number.

It is an amenable number.

479784 is an abundant number, since it is smaller than the sum of its proper divisors (719736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

479784 is a wasteful number, since it uses less digits than its factorization.

479784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20000 (or 19996 counting only the distinct ones).

The product of its digits is 56448, while the sum is 39.

The square root of 479784 is about 692.6644209139. The cubic root of 479784 is about 78.2856064583.

The spelling of 479784 in words is "four hundred seventy-nine thousand, seven hundred eighty-four".