3866874 has 32 divisors (see below), whose sum is σ = 8648640. Its totient is φ = 1142400.

The previous prime is 3866869. The next prime is 3866879. The reversal of 3866874 is 4786683.

3866874 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3866869) and next prime (3866879).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3866879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1992 + ... + 3420.

It is an arithmetic number, because the mean of its divisors is an integer number (270270).

Almost surely, 2^3866874 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3866874, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4324320).

3866874 is an abundant number, since it is smaller than the sum of its proper divisors (4781766).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3866874 is a wasteful number, since it uses less digits than its factorization.

3866874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1486.

The product of its digits is 193536, while the sum is 42.

The square root of 3866874 is about 1966.4368792311. The cubic root of 3866874 is about 156.9591628409.

It can be divided in two parts, 386 and 6874, that added together give a triangular number (7260 = T₁₂₀).

The spelling of 3866874 in words is "three million, eight hundred sixty-six thousand, eight hundred seventy-four".