4133985 has 8 divisors (see below), whose sum is σ = 6614400. Its totient is φ = 2204784.

The previous prime is 4133971. The next prime is 4134023. The reversal of 4133985 is 5893314.

4133985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 4133985 - 2⁹ = 4133473 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 137785 + ... + 137814.

It is an arithmetic number, because the mean of its divisors is an integer number (826800).

Almost surely, 2^4133985 is an apocalyptic number.

It is an amenable number.

4133985 is a deficient number, since it is larger than the sum of its proper divisors (2480415).

4133985 is a wasteful number, since it uses less digits than its factorization.

4133985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275607.

The product of its digits is 12960, while the sum is 33.

The square root of 4133985 is about 2033.2203520524. The cubic root of 4133985 is about 160.4930752731.

The spelling of 4133985 in words is "four million, one hundred thirty-three thousand, nine hundred eighty-five".