3885867 has 16 divisors (see below), whose sum is σ = 5892480. Its totient is φ = 2529576.

The previous prime is 3885859. The next prime is 3885941. The reversal of 3885867 is 7685883.

It is not a de Polignac number, because 3885867 - 2³ = 3885859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3885667) 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, 513 + ... + 2834.

It is an arithmetic number, because the mean of its divisors is an integer number (368280).

Almost surely, 2^3885867 is an apocalyptic number.

3885867 is a deficient number, since it is larger than the sum of its proper divisors (2006613).

3885867 is a wasteful number, since it uses less digits than its factorization.

3885867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3399 (or 3393 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 3885867 is about 1971.2602567901. The cubic root of 3885867 is about 157.2157230355.

It can be divided in two parts, 38 and 85867, that added together give a triangular number (85905 = T₄₁₄).

The spelling of 3885867 in words is "three million, eight hundred eighty-five thousand, eight hundred sixty-seven".