3880685 has 4 divisors (see below), whose sum is σ = 4656828. Its totient is φ = 3104544.

The previous prime is 3880663. The next prime is 3880729. The reversal of 3880685 is 5860883.

It is a happy number.

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 561001 + 3319684 = 749^2 + 1822^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3880685 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 388064 + ... + 388073.

It is an arithmetic number, because the mean of its divisors is an integer number (1164207).

Almost surely, 2^3880685 is an apocalyptic number.

It is an amenable number.

3880685 is a deficient number, since it is larger than the sum of its proper divisors (776143).

3880685 is an equidigital number, since it uses as much as digits as its factorization.

3880685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776142.

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 3880685 is about 1969.9454307163. The cubic root of 3880685 is about 157.1458069104.

The spelling of 3880685 in words is "three million, eight hundred eighty thousand, six hundred eighty-five".