4100685 has 16 divisors (see below), whose sum is σ = 6604416. Its totient is φ = 2172608.

The previous prime is 4100659. The next prime is 4100729. The reversal of 4100685 is 5860014.

4100685 = 671² + 672² + ... + 679².

It is a cyclic number.

It is not a de Polignac number, because 4100685 - 2¹⁰ = 4099661 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1687 + ... + 3323.

It is an arithmetic number, because the mean of its divisors is an integer number (412776).

Almost surely, 2^4100685 is an apocalyptic number.

It is an amenable number.

4100685 is a deficient number, since it is larger than the sum of its proper divisors (2503731).

4100685 is a wasteful number, since it uses less digits than its factorization.

4100685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1812.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 4100685 is about 2025.0148147606. The cubic root of 4100685 is about 160.0609793607.

Adding to 4100685 its reverse (5860014), we get a palindrome (9960699).

The spelling of 4100685 in words is "four million, one hundred thousand, six hundred eighty-five".