3896685 has 24 divisors (see below), whose sum is σ = 7274904. Its totient is φ = 1918080.

The previous prime is 3896677. The next prime is 3896699. The reversal of 3896685 is 5866983.

It can be written as a sum of positive squares in 4 ways, for example, as 580644 + 3316041 = 762^2 + 1821^2 .

It is not a de Polignac number, because 3896685 - 2³ = 3896677 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3896685.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2746 + ... + 3915.

It is an arithmetic number, because the mean of its divisors is an integer number (303121).

Almost surely, 2^3896685 is an apocalyptic number.

It is an amenable number.

3896685 is a deficient number, since it is larger than the sum of its proper divisors (3378219).

3896685 is a wasteful number, since it uses less digits than its factorization.

3896685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6685 (or 6682 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 3896685 is about 1974.0022796339. The cubic root of 3896685 is about 157.3614806283.

The spelling of 3896685 in words is "three million, eight hundred ninety-six thousand, six hundred eighty-five".