4146985 has 8 divisors (see below), whose sum is σ = 5070600. Its totient is φ = 3254784.

The previous prime is 4146979. The next prime is 4147001. The reversal of 4146985 is 5896414.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 262144 + 3884841 = 512^2 + 1971^2 .

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 4146985 - 2³ = 4146977 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7560 + ... + 8089.

It is an arithmetic number, because the mean of its divisors is an integer number (633825).

Almost surely, 2^4146985 is an apocalyptic number.

It is an amenable number.

4146985 is a deficient number, since it is larger than the sum of its proper divisors (923615).

4146985 is a wasteful number, since it uses less digits than its factorization.

4146985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15707.

The product of its digits is 34560, while the sum is 37.

The square root of 4146985 is about 2036.4147416477. The cubic root of 4146985 is about 160.6611315812.

The spelling of 4146985 in words is "four million, one hundred forty-six thousand, nine hundred eighty-five".