4283985 has 8 divisors (see below), whose sum is σ = 6854400. Its totient is φ = 2284784.

The previous prime is 4283963. The next prime is 4283989. The reversal of 4283985 is 5893824.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4283985 - 2⁸ = 4283729 is a prime.

4283985 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4283989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142785 + ... + 142814.

It is an arithmetic number, because the mean of its divisors is an integer number (856800).

Almost surely, 2^4283985 is an apocalyptic number.

It is an amenable number.

4283985 is a deficient number, since it is larger than the sum of its proper divisors (2570415).

4283985 is a wasteful number, since it uses less digits than its factorization.

4283985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285607.

The product of its digits is 69120, while the sum is 39.

The square root of 4283985 is about 2069.7789737071. The cubic root of 4283985 is about 162.4112019783.

It can be divided in two parts, 42839 and 85, that added together give a palindrome (42924).

The spelling of 4283985 in words is "four million, two hundred eighty-three thousand, nine hundred eighty-five".