4579785 has 72 divisors (see below), whose sum is σ = 9674496. Its totient is φ = 1995840.

The previous prime is 4579769. The next prime is 4579787. The reversal of 4579785 is 5879754.

4579785 is a `hidden beast` number, since 4 + 579 + 78 + 5 = 666.

It is not a de Polignac number, because 4579785 - 2⁴ = 4579769 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 4579785.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4579787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 68322 + ... + 68388.

It is an arithmetic number, because the mean of its divisors is an integer number (134368).

Almost surely, 2^4579785 is an apocalyptic number.

4579785 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4579785 is an abundant number, since it is smaller than the sum of its proper divisors (5094711).

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

4579785 is a wasteful number, since it uses less digits than its factorization.

4579785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123 (or 113 counting only the distinct ones).

The product of its digits is 352800, while the sum is 45.

The square root of 4579785 is about 2140.0432238625. The cubic root of 4579785 is about 166.0663715818.

The spelling of 4579785 in words is "four million, five hundred seventy-nine thousand, seven hundred eighty-five".