4198685 has 8 divisors (see below), whose sum is σ = 5050296. Its totient is φ = 3351040.

The previous prime is 4198669. The next prime is 4198703. The reversal of 4198685 is 5868914.

It can be written as a sum of positive squares in 4 ways, for example, as 114244 + 4084441 = 338^2 + 2021^2 .

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

It is not a de Polignac number, because 4198685 - 2⁴ = 4198669 is a prime.

It is a d-powerful number, because it can be written as 4¹¹ + 1 + 9³ + 8 + 6 + 8³ + 5⁵ .

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2405 + ... + 3765.

It is an arithmetic number, because the mean of its divisors is an integer number (631287).

Almost surely, 2^4198685 is an apocalyptic number.

It is an amenable number.

4198685 is a deficient number, since it is larger than the sum of its proper divisors (851611).

4198685 is a wasteful number, since it uses less digits than its factorization.

4198685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1983.

The product of its digits is 69120, while the sum is 41.

The square root of 4198685 is about 2049.0693009266. The cubic root of 4198685 is about 161.3260242839.

The spelling of 4198685 in words is "four million, one hundred ninety-eight thousand, six hundred eighty-five".