3895685 has 4 divisors (see below), whose sum is σ = 4674828. Its totient is φ = 3116544.

The previous prime is 3895681. The next prime is 3895691. The reversal of 3895685 is 5865983.

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 630436 + 3265249 = 794^2 + 1807^2 .

It is a cyclic number.

It is not a de Polignac number, because 3895685 - 2² = 3895681 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 (3895681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 389564 + ... + 389573.

It is an arithmetic number, because the mean of its divisors is an integer number (1168707).

Almost surely, 2^3895685 is an apocalyptic number.

It is an amenable number.

3895685 is a deficient number, since it is larger than the sum of its proper divisors (779143).

3895685 is an equidigital number, since it uses as much as digits as its factorization.

3895685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779142.

The product of its digits is 259200, while the sum is 44.

The square root of 3895685 is about 1973.7489708674. The cubic root of 3895685 is about 157.3480183355.

The spelling of 3895685 in words is "three million, eight hundred ninety-five thousand, six hundred eighty-five".