3876851 has 4 divisors (see below), whose sum is σ = 4229304. Its totient is φ = 3524400.

The previous prime is 3876827. The next prime is 3876869. The reversal of 3876851 is 1586783.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1586783 = 11 ⋅144253.

It is not a de Polignac number, because 3876851 - 2⁶ = 3876787 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 (3876881) 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, 176210 + ... + 176231.

It is an arithmetic number, because the mean of its divisors is an integer number (1057326).

Almost surely, 2^3876851 is an apocalyptic number.

3876851 is a deficient number, since it is larger than the sum of its proper divisors (352453).

3876851 is a wasteful number, since it uses less digits than its factorization.

3876851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352452.

The product of its digits is 40320, while the sum is 38.

The square root of 3876851 is about 1968.9720668410. The cubic root of 3876851 is about 157.0940380819.

The spelling of 3876851 in words is "three million, eight hundred seventy-six thousand, eight hundred fifty-one".