3876385 has 8 divisors (see below), whose sum is σ = 4665960. Its totient is φ = 3091584.

The previous prime is 3876371. The next prime is 3876403. The reversal of 3876385 is 5836783.

It can be written as a sum of positive squares in 4 ways, for example, as 345744 + 3530641 = 588^2 + 1879^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3876385 - 2⁹ = 3875873 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 949 + ... + 2941.

It is an arithmetic number, because the mean of its divisors is an integer number (583245).

Almost surely, 2^3876385 is an apocalyptic number.

It is an amenable number.

3876385 is a deficient number, since it is larger than the sum of its proper divisors (789575).

3876385 is a wasteful number, since it uses less digits than its factorization.

3876385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2387.

The product of its digits is 120960, while the sum is 40.

The square root of 3876385 is about 1968.8537274262. The cubic root of 3876385 is about 157.0877435613.

The spelling of 3876385 in words is "three million, eight hundred seventy-six thousand, three hundred eighty-five".