3875817 has 16 divisors (see below), whose sum is σ = 5671872. Its totient is φ = 2334720.

The previous prime is 3875803. The next prime is 3875827. The reversal of 3875817 is 7185783.

It is not a de Polignac number, because 3875817 - 2¹¹ = 3873769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3875827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8253 + ... + 8709.

It is an arithmetic number, because the mean of its divisors is an integer number (354492).

Almost surely, 2^3875817 is an apocalyptic number.

It is an amenable number.

3875817 is a deficient number, since it is larger than the sum of its proper divisors (1796055).

3875817 is a wasteful number, since it uses less digits than its factorization.

3875817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728.

The product of its digits is 47040, while the sum is 39.

The square root of 3875817 is about 1968.7094757734. The cubic root of 3875817 is about 157.0800705879.

It can be divided in two parts, 38 and 75817, that added together give a triangular number (75855 = T₃₈₉).

The spelling of 3875817 in words is "three million, eight hundred seventy-five thousand, eight hundred seventeen".