4102685 has 4 divisors (see below), whose sum is σ = 4923228. Its totient is φ = 3282144.

The previous prime is 4102667. The next prime is 4102687. The reversal of 4102685 is 5862014.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1026169 + 3076516 = 1013^2 + 1754^2 .

It is a cyclic number.

It is not a de Polignac number, because 4102685 - 2¹⁶ = 4037149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4102687) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 410264 + ... + 410273.

It is an arithmetic number, because the mean of its divisors is an integer number (1230807).

Almost surely, 2^4102685 is an apocalyptic number.

It is an amenable number.

4102685 is a deficient number, since it is larger than the sum of its proper divisors (820543).

4102685 is an equidigital number, since it uses as much as digits as its factorization.

4102685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820542.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 4102685 is about 2025.5085781107. The cubic root of 4102685 is about 160.0869969593.

Adding to 4102685 its reverse (5862014), we get a palindrome (9964699).

The spelling of 4102685 in words is "four million, one hundred two thousand, six hundred eighty-five".