4285785 has 48 divisors (see below), whose sum is σ = 8470656. Its totient is φ = 1843968.

The previous prime is 4285783. The next prime is 4285793. The reversal of 4285785 is 5875824.

It is not a de Polignac number, because 4285785 - 2¹ = 4285783 is a prime.

It is a super-3 number, since 3×4285785³ (a number of 21 digits) contains 333 as substring.

Its product of digits (89600) is a multiple of the sum of its prime divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4285783) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 252097 + ... + 252113.

It is an arithmetic number, because the mean of its divisors is an integer number (176472).

Almost surely, 2^4285785 is an apocalyptic number.

It is an amenable number.

4285785 is a deficient number, since it is larger than the sum of its proper divisors (4184871).

4285785 is an frugal number, since it uses more digits than its factorization.

4285785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60 (or 32 counting only the distinct ones).

The product of its digits is 89600, while the sum is 39.

The square root of 4285785 is about 2070.2137570792. The cubic root of 4285785 is about 162.4339455398.

Adding to 4285785 its sum of digits (39), we get a palindrome (4285824).

The spelling of 4285785 in words is "four million, two hundred eighty-five thousand, seven hundred eighty-five".