3854685 has 16 divisors (see below), whose sum is σ = 6436224. Its totient is φ = 1966272.

The previous prime is 3854681. The next prime is 3854693. The reversal of 3854685 is 5864583.

It is a happy number.

It is not a de Polignac number, because 3854685 - 2² = 3854681 is a prime.

It is a Curzon number.

3854685 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3854681) 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 15 ways as a sum of consecutive naturals, for example, 5242 + ... + 5931.

It is an arithmetic number, because the mean of its divisors is an integer number (402264).

Almost surely, 2^3854685 is an apocalyptic number.

It is an amenable number.

3854685 is a deficient number, since it is larger than the sum of its proper divisors (2581539).

3854685 is a wasteful number, since it uses less digits than its factorization.

3854685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11204.

The product of its digits is 115200, while the sum is 39.

The square root of 3854685 is about 1963.3351726081. The cubic root of 3854685 is about 156.7940691955.

The spelling of 3854685 in words is "three million, eight hundred fifty-four thousand, six hundred eighty-five".